OpenROAD 4174c3ad802d2ac1d04d387d2c4b883903f6647e This program is licensed under the BSD-3 license. See the LICENSE file for details. Components of this program may be licensed under more restrictive licenses which must be honored. [INFO ODB-0222] Reading LEF file: /home/kareem_farid/caravel/openlane/gpio_control_block/runs/22_10_18_13_50/tmp/merged.nom.lef [WARNING ODB-0220] WARNING (LEFPARS-2036): SOURCE statement is obsolete in version 5.6 and later. The LEF parser will ignore this statement. To avoid this warning in the future, remove this statement from the LEF file with version 5.6 or later. See file /home/kareem_farid/caravel/openlane/gpio_control_block/runs/22_10_18_13_50/tmp/merged.nom.lef at line 930. [INFO ODB-0223] Created 13 technology layers [INFO ODB-0224] Created 25 technology vias [INFO ODB-0225] Created 442 library cells [INFO ODB-0226] Finished LEF file: /home/kareem_farid/caravel/openlane/gpio_control_block/runs/22_10_18_13_50/tmp/merged.nom.lef [INFO ODB-0127] Reading DEF file: /home/kareem_farid/caravel/openlane/gpio_control_block/runs/22_10_18_13_50/results/routing/gpio_control_block.def [INFO ODB-0128] Design: gpio_control_block [INFO ODB-0130] Created 47 pins. [INFO ODB-0131] Created 265 components and 1417 component-terminals. [INFO ODB-0132] Created 4 special nets and 494 connections. [INFO ODB-0133] Created 169 nets and 422 connections. [INFO ODB-0134] Finished DEF file: /home/kareem_farid/caravel/openlane/gpio_control_block/runs/22_10_18_13_50/results/routing/gpio_control_block.def min_report =========================================================================== report_checks -path_delay min (Hold) ============================================================================ Startpoint: gpio_defaults[0] (input port clocked by serial_clock) Endpoint: _106_ (removal check against falling-edge clock serial_load') Path Group: **async_default** Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 ^ input external delay 5.00 0.00 10.00 ^ gpio_defaults[0] (in) 4 0.03 gpio_defaults[0] (net) 5.00 0.00 10.00 ^ _068_/B (sky130_fd_sc_hd__or2_0) 0.07 0.29 10.29 ^ _068_/X (sky130_fd_sc_hd__or2_0) 1 0.00 _001_ (net) 0.07 0.00 10.29 ^ _106_/RESET_B (sky130_fd_sc_hd__dfbbn_2) 10.29 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.21 0.86 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 0.86 ^ _058__1/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 0.91 v _058__1/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net32 (net) 0.03 0.00 0.91 v _106_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.31 clock uncertainty 0.00 1.31 clock reconvergence pessimism 0.07 1.38 library removal time 1.38 data required time ----------------------------------------------------------------------------- 1.38 data required time -10.29 data arrival time ----------------------------------------------------------------------------- 8.91 slack (MET) Startpoint: gpio_defaults[10] (input port clocked by serial_clock) Endpoint: _113_ (removal check against falling-edge clock serial_load') Path Group: **async_default** Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 ^ input external delay 5.00 0.00 10.00 ^ gpio_defaults[10] (in) 4 0.02 gpio_defaults[10] (net) 5.00 0.00 10.00 ^ _082_/B (sky130_fd_sc_hd__or2_0) 0.06 0.28 10.28 ^ _082_/X (sky130_fd_sc_hd__or2_0) 1 0.00 _015_ (net) 0.06 0.00 10.28 ^ _113_/RESET_B (sky130_fd_sc_hd__dfbbn_2) 10.28 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.20 0.85 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 0.85 ^ _100__8/A (sky130_fd_sc_hd__inv_2) 0.02 0.04 0.89 v _100__8/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net39 (net) 0.02 0.00 0.89 v _113_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.29 clock uncertainty 0.00 1.29 clock reconvergence pessimism 0.07 1.36 library removal time 1.36 data required time ----------------------------------------------------------------------------- 1.36 data required time -10.28 data arrival time ----------------------------------------------------------------------------- 8.92 slack (MET) Startpoint: gpio_defaults[2] (input port clocked by serial_clock) Endpoint: _107_ (removal check against falling-edge clock serial_load') Path Group: **async_default** Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 ^ input external delay 5.00 0.00 10.00 ^ gpio_defaults[2] (in) 4 0.02 gpio_defaults[2] (net) 5.00 0.00 10.00 ^ _070_/B (sky130_fd_sc_hd__or2_0) 0.08 0.30 10.30 ^ _070_/X (sky130_fd_sc_hd__or2_0) 1 0.00 _003_ (net) 0.08 0.00 10.30 ^ _107_/RESET_B (sky130_fd_sc_hd__dfbbn_2) 10.30 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.21 0.86 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 0.86 ^ _094__2/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 0.91 v _094__2/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net33 (net) 0.03 0.00 0.91 v _107_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.31 clock uncertainty 0.00 1.31 clock reconvergence pessimism 0.07 1.38 library removal time 1.38 data required time ----------------------------------------------------------------------------- 1.38 data required time -10.30 data arrival time ----------------------------------------------------------------------------- 8.92 slack (MET) Startpoint: gpio_defaults[7] (input port clocked by serial_clock) Endpoint: _118_ (removal check against falling-edge clock serial_load') Path Group: **async_default** Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 ^ input external delay 5.00 0.00 10.00 ^ gpio_defaults[7] (in) 4 0.02 gpio_defaults[7] (net) 5.00 0.00 10.00 ^ _092_/B (sky130_fd_sc_hd__or2_0) 0.06 0.28 10.28 ^ _092_/X (sky130_fd_sc_hd__or2_0) 1 0.00 _025_ (net) 0.06 0.00 10.28 ^ _118_/RESET_B (sky130_fd_sc_hd__dfbbn_2) 10.28 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.20 0.85 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 0.85 ^ _105__13/A (sky130_fd_sc_hd__inv_2) 0.02 0.04 0.88 v _105__13/Y (sky130_fd_sc_hd__inv_2) 1 0.00 net44 (net) 0.02 0.00 0.88 v _118_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.28 clock uncertainty 0.00 1.28 clock reconvergence pessimism 0.07 1.35 library removal time 1.35 data required time ----------------------------------------------------------------------------- 1.35 data required time -10.28 data arrival time ----------------------------------------------------------------------------- 8.93 slack (MET) Startpoint: gpio_defaults[6] (input port clocked by serial_clock) Endpoint: _117_ (removal check against falling-edge clock serial_load') Path Group: **async_default** Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 ^ input external delay 5.00 0.00 10.00 ^ gpio_defaults[6] (in) 4 0.02 gpio_defaults[6] (net) 5.00 0.00 10.00 ^ _090_/B (sky130_fd_sc_hd__or2_0) 0.07 0.29 10.29 ^ _090_/X (sky130_fd_sc_hd__or2_0) 1 0.00 _023_ (net) 0.07 0.00 10.29 ^ _117_/RESET_B (sky130_fd_sc_hd__dfbbn_2) 10.29 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.20 0.85 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 0.85 ^ _104__12/A (sky130_fd_sc_hd__inv_2) 0.02 0.04 0.88 v _104__12/Y (sky130_fd_sc_hd__inv_2) 1 0.00 net43 (net) 0.02 0.00 0.88 v _117_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.28 clock uncertainty 0.00 1.28 clock reconvergence pessimism 0.07 1.35 library removal time 1.35 data required time ----------------------------------------------------------------------------- 1.35 data required time -10.29 data arrival time ----------------------------------------------------------------------------- 8.94 slack (MET) Startpoint: _123_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _124_ (rising edge-triggered flip-flop clocked by serial_clock) Path Group: serial_clock Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.17 0.76 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.76 ^ _123_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.37 1.13 ^ _123_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[4] (net) 0.05 0.00 1.13 ^ hold8/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.53 1.66 ^ hold8/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net53 (net) 0.08 0.00 1.66 ^ _124_/D (sky130_fd_sc_hd__dfrtp_4) 1.66 data arrival time 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _124_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.40 1.25 clock uncertainty -0.06 1.18 clock reconvergence pessimism -0.04 1.14 library hold time 1.14 data required time ----------------------------------------------------------------------------- 1.14 data required time -1.66 data arrival time ----------------------------------------------------------------------------- 0.52 slack (MET) Startpoint: _130_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _131_ (rising edge-triggered flip-flop clocked by serial_clock) Path Group: serial_clock Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.17 0.76 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.77 ^ _130_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.37 1.13 ^ _130_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[11] (net) 0.05 0.00 1.13 ^ hold4/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.07 0.53 1.66 ^ hold4/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net49 (net) 0.07 0.00 1.66 ^ _131_/D (sky130_fd_sc_hd__dfrtp_4) 1.66 data arrival time 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.19 0.84 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.84 ^ _131_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.40 1.24 clock uncertainty -0.06 1.18 clock reconvergence pessimism -0.04 1.14 library hold time 1.14 data required time ----------------------------------------------------------------------------- 1.14 data required time -1.66 data arrival time ----------------------------------------------------------------------------- 0.52 slack (MET) Startpoint: _127_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _128_ (rising edge-triggered flip-flop clocked by serial_clock) Path Group: serial_clock Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.17 0.76 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.77 ^ _127_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.37 1.14 ^ _127_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[8] (net) 0.05 0.00 1.14 ^ hold10/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.53 1.67 ^ hold10/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net55 (net) 0.08 0.00 1.67 ^ _128_/D (sky130_fd_sc_hd__dfrtp_4) 1.67 data arrival time 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.19 0.84 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.84 ^ _128_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.40 1.24 clock uncertainty -0.06 1.18 clock reconvergence pessimism -0.04 1.14 library hold time 1.14 data required time ----------------------------------------------------------------------------- 1.14 data required time -1.67 data arrival time ----------------------------------------------------------------------------- 0.53 slack (MET) Startpoint: _119_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _120_ (rising edge-triggered flip-flop clocked by serial_clock) Path Group: serial_clock Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.17 0.76 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.76 ^ _119_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.04 0.36 1.12 ^ _119_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[0] (net) 0.04 0.00 1.12 ^ hold1/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.11 0.55 1.68 ^ hold1/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net46 (net) 0.11 0.00 1.68 ^ _120_/D (sky130_fd_sc_hd__dfrtp_4) 1.68 data arrival time 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _120_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.40 1.25 clock uncertainty -0.06 1.19 clock reconvergence pessimism -0.05 1.14 library hold time 1.14 data required time ----------------------------------------------------------------------------- 1.14 data required time -1.68 data arrival time ----------------------------------------------------------------------------- 0.54 slack (MET) Startpoint: _125_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _126_ (rising edge-triggered flip-flop clocked by serial_clock) Path Group: serial_clock Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.17 0.76 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.77 ^ _125_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.37 1.13 ^ _125_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[6] (net) 0.05 0.00 1.13 ^ hold12/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.53 1.67 ^ hold12/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net57 (net) 0.08 0.00 1.67 ^ _126_/D (sky130_fd_sc_hd__dfrtp_4) 1.67 data arrival time 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _126_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.40 1.25 clock uncertainty -0.08 1.17 clock reconvergence pessimism -0.04 1.13 library hold time 1.13 data required time ----------------------------------------------------------------------------- 1.13 data required time -1.67 data arrival time ----------------------------------------------------------------------------- 0.54 slack (MET) Startpoint: _130_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _114_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.17 0.76 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.77 ^ _130_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.37 1.13 ^ _130_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[11] (net) 0.05 0.00 1.13 ^ hold4/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.07 0.53 1.66 ^ hold4/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net49 (net) 0.07 0.00 1.66 ^ _114_/D (sky130_fd_sc_hd__dfbbn_2) 1.66 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.21 0.86 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 0.86 ^ _101__9/A (sky130_fd_sc_hd__inv_2) 0.04 0.05 0.91 v _101__9/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net40 (net) 0.04 0.00 0.91 v _114_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.31 clock uncertainty 0.00 1.31 clock reconvergence pessimism 0.04 1.36 library hold time 1.36 data required time ----------------------------------------------------------------------------- 1.36 data required time -1.66 data arrival time ----------------------------------------------------------------------------- 0.30 slack (MET) Startpoint: _131_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _115_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.17 0.76 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.76 ^ _131_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.06 0.39 1.15 ^ _131_/Q (sky130_fd_sc_hd__dfrtp_4) 2 0.01 shift_register[12] (net) 0.06 0.00 1.15 ^ hold3/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.05 0.51 1.66 ^ hold3/X (sky130_fd_sc_hd__dlygate4sd3_1) 1 0.00 net48 (net) 0.05 0.00 1.66 ^ _115_/D (sky130_fd_sc_hd__dfbbn_2) 1.66 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.21 0.86 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 0.86 ^ _102__10/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 0.91 v _102__10/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net41 (net) 0.03 0.00 0.91 v _115_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.31 clock uncertainty 0.00 1.31 clock reconvergence pessimism 0.05 1.36 library hold time 1.36 data required time ----------------------------------------------------------------------------- 1.36 data required time -1.66 data arrival time ----------------------------------------------------------------------------- 0.31 slack (MET) Startpoint: _123_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _111_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.17 0.76 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.76 ^ _123_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.37 1.13 ^ _123_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[4] (net) 0.05 0.00 1.13 ^ hold8/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.53 1.66 ^ hold8/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net53 (net) 0.08 0.00 1.66 ^ _111_/D (sky130_fd_sc_hd__dfbbn_2) 1.66 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.20 0.85 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 0.85 ^ _098__6/A (sky130_fd_sc_hd__inv_2) 0.03 0.04 0.89 v _098__6/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net37 (net) 0.03 0.00 0.89 v _111_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.29 clock uncertainty 0.00 1.29 clock reconvergence pessimism 0.04 1.33 library hold time 1.33 data required time ----------------------------------------------------------------------------- 1.33 data required time -1.66 data arrival time ----------------------------------------------------------------------------- 0.33 slack (MET) Startpoint: _119_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _106_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.17 0.76 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.76 ^ _119_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.04 0.36 1.12 ^ _119_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[0] (net) 0.04 0.00 1.12 ^ hold1/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.11 0.55 1.68 ^ hold1/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net46 (net) 0.11 0.00 1.68 ^ _106_/D (sky130_fd_sc_hd__dfbbn_2) 1.68 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.21 0.86 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 0.86 ^ _058__1/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 0.91 v _058__1/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net32 (net) 0.03 0.00 0.91 v _106_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.31 clock uncertainty 0.00 1.31 clock reconvergence pessimism 0.03 1.34 library hold time 1.34 data required time ----------------------------------------------------------------------------- 1.34 data required time -1.68 data arrival time ----------------------------------------------------------------------------- 0.33 slack (MET) Startpoint: _127_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _108_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: min Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.59 0.59 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.59 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.17 0.76 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.77 ^ _127_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.37 1.14 ^ _127_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[8] (net) 0.05 0.00 1.14 ^ hold10/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.53 1.67 ^ hold10/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net55 (net) 0.08 0.00 1.67 ^ _108_/D (sky130_fd_sc_hd__dfbbn_2) 1.67 data arrival time 0.00 0.00 clock serial_load' (fall edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.65 0.65 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 0.65 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.20 0.85 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 0.85 ^ _095__3/A (sky130_fd_sc_hd__inv_2) 0.03 0.04 0.89 v _095__3/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net34 (net) 0.03 0.00 0.89 v _108_/CLK_N (sky130_fd_sc_hd__dfbbn_2) 0.40 1.29 clock uncertainty 0.00 1.29 clock reconvergence pessimism 0.04 1.33 library hold time 1.33 data required time ----------------------------------------------------------------------------- 1.33 data required time -1.67 data arrival time ----------------------------------------------------------------------------- 0.34 slack (MET) min_report_end max_report =========================================================================== report_checks -path_delay max (Setup) ============================================================================ Startpoint: gpio_defaults[12] (input port clocked by serial_clock) Endpoint: _115_ (recovery check against falling-edge clock serial_load') Path Group: **async_default** Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 v input external delay 5.00 0.00 10.00 v gpio_defaults[12] (in) 4 0.02 gpio_defaults[12] (net) 5.00 0.00 10.00 v _087_/B (sky130_fd_sc_hd__nand2b_2) 0.73 1.27 11.27 ^ _087_/Y (sky130_fd_sc_hd__nand2b_2) 1 0.01 _020_ (net) 0.73 0.00 11.27 ^ _115_/SET_B (sky130_fd_sc_hd__dfbbn_2) 11.27 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _102__10/A (sky130_fd_sc_hd__inv_2) 0.03 0.04 50.82 v _102__10/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net41 (net) 0.03 0.00 50.82 v _115_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.42 clock uncertainty 0.00 50.42 clock reconvergence pessimism -0.05 50.37 library recovery time 50.37 data required time ----------------------------------------------------------------------------- 50.37 data required time -11.27 data arrival time ----------------------------------------------------------------------------- 39.11 slack (MET) Startpoint: gpio_defaults[4] (input port clocked by serial_clock) Endpoint: _111_ (recovery check against falling-edge clock serial_load') Path Group: **async_default** Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 v input external delay 5.00 0.00 10.00 v gpio_defaults[4] (in) 4 0.03 gpio_defaults[4] (net) 5.00 0.00 10.00 v _079_/B (sky130_fd_sc_hd__nand2b_2) 0.70 1.22 11.22 ^ _079_/Y (sky130_fd_sc_hd__nand2b_2) 1 0.01 _012_ (net) 0.70 0.00 11.22 ^ _111_/SET_B (sky130_fd_sc_hd__dfbbn_2) 11.22 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.18 50.77 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 50.77 ^ _098__6/A (sky130_fd_sc_hd__inv_2) 0.03 0.04 50.80 v _098__6/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net37 (net) 0.03 0.00 50.81 v _111_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.41 clock uncertainty 0.00 50.41 clock reconvergence pessimism -0.05 50.36 library recovery time 50.36 data required time ----------------------------------------------------------------------------- 50.36 data required time -11.22 data arrival time ----------------------------------------------------------------------------- 39.14 slack (MET) Startpoint: gpio_defaults[5] (input port clocked by serial_clock) Endpoint: _116_ (recovery check against falling-edge clock serial_load') Path Group: **async_default** Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 v input external delay 5.00 0.00 10.00 v gpio_defaults[5] (in) 4 0.02 gpio_defaults[5] (net) 5.00 0.00 10.00 v _089_/B (sky130_fd_sc_hd__nand2b_2) 0.68 1.20 11.20 ^ _089_/Y (sky130_fd_sc_hd__nand2b_2) 1 0.01 _022_ (net) 0.68 0.00 11.20 ^ _116_/SET_B (sky130_fd_sc_hd__dfbbn_2) 11.20 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.18 50.77 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 50.77 ^ _103__11/A (sky130_fd_sc_hd__inv_2) 0.02 0.04 50.80 v _103__11/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net42 (net) 0.02 0.00 50.80 v _116_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.40 clock uncertainty 0.00 50.40 clock reconvergence pessimism -0.05 50.36 library recovery time 50.36 data required time ----------------------------------------------------------------------------- 50.36 data required time -11.20 data arrival time ----------------------------------------------------------------------------- 39.16 slack (MET) Startpoint: gpio_defaults[11] (input port clocked by serial_clock) Endpoint: _114_ (recovery check against falling-edge clock serial_load') Path Group: **async_default** Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 v input external delay 5.00 0.00 10.00 v gpio_defaults[11] (in) 4 0.02 gpio_defaults[11] (net) 5.00 0.00 10.00 v _085_/B (sky130_fd_sc_hd__nand2b_2) 0.70 1.22 11.22 ^ _085_/Y (sky130_fd_sc_hd__nand2b_2) 1 0.01 _018_ (net) 0.70 0.00 11.22 ^ _114_/SET_B (sky130_fd_sc_hd__dfbbn_2) 11.22 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _101__9/A (sky130_fd_sc_hd__inv_2) 0.04 0.05 50.83 v _101__9/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net40 (net) 0.04 0.00 50.83 v _114_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.43 clock uncertainty 0.00 50.43 clock reconvergence pessimism -0.04 50.38 library recovery time 50.38 data required time ----------------------------------------------------------------------------- 50.38 data required time -11.22 data arrival time ----------------------------------------------------------------------------- 39.16 slack (MET) Startpoint: gpio_defaults[3] (input port clocked by serial_clock) Endpoint: _110_ (recovery check against falling-edge clock serial_load') Path Group: **async_default** Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 v input external delay 5.00 0.00 10.00 v gpio_defaults[3] (in) 4 0.02 gpio_defaults[3] (net) 5.00 0.00 10.00 v _077_/B (sky130_fd_sc_hd__nand2b_2) 0.68 1.20 11.20 ^ _077_/Y (sky130_fd_sc_hd__nand2b_2) 1 0.01 _010_ (net) 0.68 0.00 11.20 ^ _110_/SET_B (sky130_fd_sc_hd__dfbbn_2) 11.20 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _097__5/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 50.82 v _097__5/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net36 (net) 0.03 0.00 50.82 v _110_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.42 clock uncertainty 0.00 50.42 clock reconvergence pessimism -0.04 50.38 library recovery time 50.38 data required time ----------------------------------------------------------------------------- 50.38 data required time -11.20 data arrival time ----------------------------------------------------------------------------- 39.18 slack (MET) Startpoint: _132_ (rising edge-triggered flip-flop clocked by serial_clock') Endpoint: serial_data_out (output port clocked by serial_clock) Path Group: serial_clock Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 25.00 25.00 clock serial_clock' (rise edge) 0.00 25.00 clock source latency 5.00 0.00 25.00 v serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 25.00 v clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.16 1.54 26.54 v clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.16 0.00 26.54 v clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.04 0.22 26.77 v clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.03 clknet_1_0__leaf_serial_clock (net) 0.04 0.00 26.77 v _059__14/A (sky130_fd_sc_hd__inv_2) 0.05 0.07 26.84 ^ _059__14/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net45 (net) 0.05 0.00 26.84 ^ _132_/CLK (sky130_fd_sc_hd__dfrtp_2) 0.10 0.41 27.25 ^ _132_/Q (sky130_fd_sc_hd__dfrtp_2) 1 0.02 net21 (net) 0.10 0.00 27.25 ^ output21/A (sky130_fd_sc_hd__buf_16) 0.27 0.29 27.54 ^ output21/X (sky130_fd_sc_hd__buf_16) 1 0.25 serial_data_out (net) 0.27 0.01 27.55 ^ serial_data_out (out) 27.55 data arrival time 50.00 50.00 clock serial_clock (rise edge) 0.00 50.00 clock network delay (propagated) -0.40 49.60 clock uncertainty 0.00 49.60 clock reconvergence pessimism -10.00 39.60 output external delay 39.60 data required time ----------------------------------------------------------------------------- 39.60 data required time -27.55 data arrival time ----------------------------------------------------------------------------- 12.05 slack (MET) Startpoint: serial_load (clock source 'serial_load') Endpoint: serial_load_out (output port clocked by serial_clock) Path Group: serial_clock Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 25.00 25.00 clock serial_load (fall edge) 0.00 25.00 clock source latency 5.00 0.00 25.00 v serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 25.00 v clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 1.54 26.54 v clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 26.54 v clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.23 26.77 v clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.06 0.00 26.77 v serial_load_out_buffer/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.26 27.03 v serial_load_out_buffer/X (sky130_fd_sc_hd__clkbuf_16) 1 0.25 serial_load_out (net) 0.18 0.03 27.06 v serial_load_out (out) 27.06 data arrival time 50.00 50.00 clock serial_clock (rise edge) 0.00 50.00 clock network delay (propagated) -0.40 49.60 clock uncertainty 0.00 49.60 clock reconvergence pessimism -10.00 39.60 output external delay 39.60 data required time ----------------------------------------------------------------------------- 39.60 data required time -27.06 data arrival time ----------------------------------------------------------------------------- 12.54 slack (MET) Startpoint: serial_clock (clock source 'serial_clock') Endpoint: serial_clock_out (output port clocked by serial_clock) Path Group: serial_clock Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 25.00 25.00 clock serial_clock (fall edge) 0.00 25.00 clock source latency 5.00 0.00 25.00 v serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 25.00 v clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.16 1.54 26.54 v clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.16 0.00 26.54 v clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.04 0.22 26.76 v clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.04 0.00 26.76 v serial_clock_out_buffer/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.26 27.03 v serial_clock_out_buffer/X (sky130_fd_sc_hd__clkbuf_16) 1 0.25 serial_clock_out (net) 0.18 0.02 27.04 v serial_clock_out (out) 27.04 data arrival time 50.00 50.00 clock serial_clock (rise edge) 0.00 50.00 clock network delay (propagated) -0.40 49.60 clock uncertainty 0.00 49.60 clock reconvergence pessimism -10.00 39.60 output external delay 39.60 data required time ----------------------------------------------------------------------------- 39.60 data required time -27.04 data arrival time ----------------------------------------------------------------------------- 12.56 slack (MET) Startpoint: _131_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _132_ (rising edge-triggered flip-flop clocked by serial_clock') Path Group: serial_clock Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.19 0.84 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.84 ^ _131_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.06 0.50 1.34 v _131_/Q (sky130_fd_sc_hd__dfrtp_4) 2 0.01 shift_register[12] (net) 0.06 0.00 1.34 v _132_/D (sky130_fd_sc_hd__dfrtp_2) 1.34 data arrival time 25.00 25.00 clock serial_clock' (rise edge) 0.00 25.00 clock source latency 5.00 0.00 25.00 v serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 25.00 v clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.16 1.40 26.40 v clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.16 0.00 26.40 v clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.04 0.20 26.60 v clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.03 clknet_1_0__leaf_serial_clock (net) 0.04 0.00 26.60 v _059__14/A (sky130_fd_sc_hd__inv_2) 0.05 0.06 26.66 ^ _059__14/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net45 (net) 0.05 0.00 26.66 ^ _132_/CLK (sky130_fd_sc_hd__dfrtp_2) -0.40 26.26 clock uncertainty 0.06 26.32 clock reconvergence pessimism -0.12 26.20 library setup time 26.20 data required time ----------------------------------------------------------------------------- 26.20 data required time -1.34 data arrival time ----------------------------------------------------------------------------- 24.86 slack (MET) Startpoint: mgmt_gpio_oeb (input port clocked by serial_clock) Endpoint: pad_gpio_out (output port clocked by serial_clock) Path Group: serial_clock Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 v input external delay 5.00 0.00 10.00 v mgmt_gpio_oeb (in) 2 0.01 mgmt_gpio_oeb (net) 5.00 0.00 10.00 v input1/A (sky130_fd_sc_hd__buf_2) 0.16 1.31 11.31 v input1/X (sky130_fd_sc_hd__buf_2) 2 0.01 net1 (net) 0.16 0.00 11.31 v _063_/C (sky130_fd_sc_hd__and3b_2) 0.06 0.30 11.62 v _063_/X (sky130_fd_sc_hd__and3b_2) 2 0.01 _043_ (net) 0.06 0.00 11.62 v _064_/B (sky130_fd_sc_hd__and2b_2) 0.05 0.23 11.85 v _064_/X (sky130_fd_sc_hd__and2b_2) 1 0.01 _044_ (net) 0.05 0.00 11.85 v _066_/A1 (sky130_fd_sc_hd__o21ai_4) 0.17 0.20 12.04 ^ _066_/Y (sky130_fd_sc_hd__o21ai_4) 1 0.02 net16 (net) 0.17 0.00 12.04 ^ output16/A (sky130_fd_sc_hd__buf_16) 0.27 0.31 12.35 ^ output16/X (sky130_fd_sc_hd__buf_16) 1 0.25 pad_gpio_out (net) 0.27 0.01 12.36 ^ pad_gpio_out (out) 12.36 data arrival time 50.00 50.00 clock serial_clock (rise edge) 0.00 50.00 clock network delay (propagated) -0.40 49.60 clock uncertainty 0.00 49.60 clock reconvergence pessimism -10.00 39.60 output external delay 39.60 data required time ----------------------------------------------------------------------------- 39.60 data required time -12.36 data arrival time ----------------------------------------------------------------------------- 27.24 slack (MET) Startpoint: _121_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _107_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _121_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.06 0.50 1.35 v _121_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.01 shift_register[2] (net) 0.06 0.00 1.35 v hold5/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.09 0.64 1.98 v hold5/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net50 (net) 0.09 0.00 1.98 v _107_/D (sky130_fd_sc_hd__dfbbn_2) 1.98 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _094__2/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 50.82 v _094__2/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net33 (net) 0.03 0.00 50.82 v _107_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.42 clock uncertainty 0.00 50.42 clock reconvergence pessimism -0.17 50.25 library setup time 50.25 data required time ----------------------------------------------------------------------------- 50.25 data required time -1.98 data arrival time ----------------------------------------------------------------------------- 48.27 slack (MET) Startpoint: _129_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _113_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_1__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.05 0.19 0.84 ^ clkbuf_1_1__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 6 0.03 serial_clock_out_buffered (net) 0.05 0.00 0.84 ^ _129_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.48 1.32 v _129_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[10] (net) 0.05 0.00 1.32 v hold9/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.09 0.63 1.95 v hold9/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net54 (net) 0.09 0.00 1.95 v _113_/D (sky130_fd_sc_hd__dfbbn_2) 1.95 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.18 50.77 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 50.77 ^ _100__8/A (sky130_fd_sc_hd__inv_2) 0.02 0.03 50.80 v _100__8/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net39 (net) 0.02 0.00 50.80 v _113_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.40 clock uncertainty 0.00 50.40 clock reconvergence pessimism -0.18 50.22 library setup time 50.22 data required time ----------------------------------------------------------------------------- 50.22 data required time -1.95 data arrival time ----------------------------------------------------------------------------- 48.27 slack (MET) Startpoint: _120_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _112_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _120_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.06 0.49 1.34 v _120_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.01 shift_register[1] (net) 0.06 0.00 1.34 v hold6/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.63 1.97 v hold6/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net51 (net) 0.08 0.00 1.97 v _112_/D (sky130_fd_sc_hd__dfbbn_2) 1.97 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _099__7/A (sky130_fd_sc_hd__inv_2) 0.03 0.04 50.82 v _099__7/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net38 (net) 0.03 0.00 50.82 v _112_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.42 clock uncertainty 0.00 50.42 clock reconvergence pessimism -0.17 50.24 library setup time 50.24 data required time ----------------------------------------------------------------------------- 50.24 data required time -1.97 data arrival time ----------------------------------------------------------------------------- 48.27 slack (MET) Startpoint: _122_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _110_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _122_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.06 0.49 1.34 v _122_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.01 shift_register[3] (net) 0.06 0.00 1.34 v hold7/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.63 1.96 v hold7/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net52 (net) 0.08 0.00 1.96 v _110_/D (sky130_fd_sc_hd__dfbbn_2) 1.96 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _097__5/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 50.82 v _097__5/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net36 (net) 0.03 0.00 50.82 v _110_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.42 clock uncertainty 0.00 50.42 clock reconvergence pessimism -0.17 50.25 library setup time 50.25 data required time ----------------------------------------------------------------------------- 50.25 data required time -1.96 data arrival time ----------------------------------------------------------------------------- 48.29 slack (MET) Startpoint: _124_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _116_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _124_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.05 0.48 1.32 v _124_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.00 shift_register[5] (net) 0.05 0.00 1.32 v hold13/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.08 0.61 1.94 v hold13/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net58 (net) 0.08 0.00 1.94 v _116_/D (sky130_fd_sc_hd__dfbbn_2) 1.94 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_0__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.18 50.77 ^ clkbuf_1_0__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 6 0.04 clknet_1_0__leaf_serial_load (net) 0.06 0.00 50.77 ^ _103__11/A (sky130_fd_sc_hd__inv_2) 0.02 0.04 50.80 v _103__11/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net42 (net) 0.02 0.00 50.80 v _116_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.40 clock uncertainty 0.00 50.40 clock reconvergence pessimism -0.17 50.23 library setup time 50.23 data required time ----------------------------------------------------------------------------- 50.23 data required time -1.94 data arrival time ----------------------------------------------------------------------------- 48.30 slack (MET) max_report_end check_report =========================================================================== report_checks -unconstrained ============================================================================ Startpoint: gpio_defaults[12] (input port clocked by serial_clock) Endpoint: _115_ (recovery check against falling-edge clock serial_load') Path Group: **async_default** Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock network delay (propagated) 10.00 10.00 v input external delay 5.00 0.00 10.00 v gpio_defaults[12] (in) 4 0.02 gpio_defaults[12] (net) 5.00 0.00 10.00 v _087_/B (sky130_fd_sc_hd__nand2b_2) 0.73 1.27 11.27 ^ _087_/Y (sky130_fd_sc_hd__nand2b_2) 1 0.01 _020_ (net) 0.73 0.00 11.27 ^ _115_/SET_B (sky130_fd_sc_hd__dfbbn_2) 11.27 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _102__10/A (sky130_fd_sc_hd__inv_2) 0.03 0.04 50.82 v _102__10/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net41 (net) 0.03 0.00 50.82 v _115_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.42 clock uncertainty 0.00 50.42 clock reconvergence pessimism -0.05 50.37 library recovery time 50.37 data required time ----------------------------------------------------------------------------- 50.37 data required time -11.27 data arrival time ----------------------------------------------------------------------------- 39.11 slack (MET) Startpoint: _132_ (rising edge-triggered flip-flop clocked by serial_clock') Endpoint: serial_data_out (output port clocked by serial_clock) Path Group: serial_clock Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 25.00 25.00 clock serial_clock' (rise edge) 0.00 25.00 clock source latency 5.00 0.00 25.00 v serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 25.00 v clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.16 1.54 26.54 v clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.16 0.00 26.54 v clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.04 0.22 26.77 v clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.03 clknet_1_0__leaf_serial_clock (net) 0.04 0.00 26.77 v _059__14/A (sky130_fd_sc_hd__inv_2) 0.05 0.07 26.84 ^ _059__14/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net45 (net) 0.05 0.00 26.84 ^ _132_/CLK (sky130_fd_sc_hd__dfrtp_2) 0.10 0.41 27.25 ^ _132_/Q (sky130_fd_sc_hd__dfrtp_2) 1 0.02 net21 (net) 0.10 0.00 27.25 ^ output21/A (sky130_fd_sc_hd__buf_16) 0.27 0.29 27.54 ^ output21/X (sky130_fd_sc_hd__buf_16) 1 0.25 serial_data_out (net) 0.27 0.01 27.55 ^ serial_data_out (out) 27.55 data arrival time 50.00 50.00 clock serial_clock (rise edge) 0.00 50.00 clock network delay (propagated) -0.40 49.60 clock uncertainty 0.00 49.60 clock reconvergence pessimism -10.00 39.60 output external delay 39.60 data required time ----------------------------------------------------------------------------- 39.60 data required time -27.55 data arrival time ----------------------------------------------------------------------------- 12.05 slack (MET) Startpoint: _121_ (rising edge-triggered flip-flop clocked by serial_clock) Endpoint: _107_ (falling edge-triggered flip-flop clocked by serial_load') Path Group: serial_load Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock serial_clock (rise edge) 0.00 0.00 clock source latency 5.00 0.00 0.00 ^ serial_clock (in) 2 0.02 serial_clock (net) 5.00 0.00 0.00 ^ clkbuf_0_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.17 0.65 0.66 ^ clkbuf_0_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_clock (net) 0.17 0.00 0.66 ^ clkbuf_1_0__f_serial_clock/A (sky130_fd_sc_hd__clkbuf_16) 0.06 0.19 0.85 ^ clkbuf_1_0__f_serial_clock/X (sky130_fd_sc_hd__clkbuf_16) 9 0.04 clknet_1_0__leaf_serial_clock (net) 0.06 0.00 0.85 ^ _121_/CLK (sky130_fd_sc_hd__dfrtp_4) 0.06 0.50 1.35 v _121_/Q (sky130_fd_sc_hd__dfrtp_4) 1 0.01 shift_register[2] (net) 0.06 0.00 1.35 v hold5/A (sky130_fd_sc_hd__dlygate4sd3_1) 0.09 0.64 1.98 v hold5/X (sky130_fd_sc_hd__dlygate4sd3_1) 2 0.01 net50 (net) 0.09 0.00 1.98 v _107_/D (sky130_fd_sc_hd__dfbbn_2) 1.98 data arrival time 50.00 50.00 clock serial_load' (fall edge) 0.00 50.00 clock source latency 5.00 0.00 50.00 ^ serial_load (in) 2 0.02 serial_load (net) 5.00 0.00 50.00 ^ clkbuf_0_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.16 0.59 50.59 ^ clkbuf_0_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 2 0.02 clknet_0_serial_load (net) 0.16 0.00 50.59 ^ clkbuf_1_1__f_serial_load/A (sky130_fd_sc_hd__clkbuf_16) 0.08 0.19 50.78 ^ clkbuf_1_1__f_serial_load/X (sky130_fd_sc_hd__clkbuf_16) 8 0.06 serial_load_out_buffered (net) 0.08 0.00 50.78 ^ _094__2/A (sky130_fd_sc_hd__inv_2) 0.03 0.05 50.82 v _094__2/Y (sky130_fd_sc_hd__inv_2) 1 0.01 net33 (net) 0.03 0.00 50.82 v _107_/CLK_N (sky130_fd_sc_hd__dfbbn_2) -0.40 50.42 clock uncertainty 0.00 50.42 clock reconvergence pessimism -0.17 50.25 library setup time 50.25 data required time ----------------------------------------------------------------------------- 50.25 data required time -1.98 data arrival time ----------------------------------------------------------------------------- 48.27 slack (MET) =========================================================================== report_checks --slack_max -0.01 ============================================================================ No paths found. check_report_end check_slew =========================================================================== report_check_types -max_slew -max_cap -max_fanout -violators ============================================================================ max slew Pin Limit Slew Slack ------------------------------------------------------------ ANTENNA__080__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__081__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _081_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__061__A0/DIODE 1.25 5.00 -3.75 (VIOLATED) _087_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__089__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__088__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__084__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__085__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _089_/B 1.25 5.00 -3.75 (VIOLATED) _086_/B 1.25 5.00 -3.75 (VIOLATED) _084_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__087__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _085_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__068__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _061_/A0 1.25 5.00 -3.75 (VIOLATED) ANTENNA__077__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _069_/B 1.25 5.00 -3.75 (VIOLATED) _079_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__076__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _074_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__074__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__078__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _076_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__086__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__069__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _075_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__062__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _077_/B 1.25 5.00 -3.75 (VIOLATED) _078_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__091__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _088_/B 1.25 5.00 -3.75 (VIOLATED) _091_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__090__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__092__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__082__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _082_/B 1.25 5.00 -3.75 (VIOLATED) _083_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__072__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _073_/B 1.25 5.00 -3.75 (VIOLATED) _092_/B 1.25 5.00 -3.75 (VIOLATED) _080_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__079__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__083__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _093_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA__093__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA_clkbuf_0_serial_clock_A/DIODE 1.25 5.00 -3.75 (VIOLATED) clkbuf_0_serial_clock/A 1.25 5.00 -3.75 (VIOLATED) ANTENNA_input2_A/DIODE 1.25 5.00 -3.75 (VIOLATED) _071_/B 1.25 5.00 -3.75 (VIOLATED) _090_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA_input3_A/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__075__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__073__B/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__070__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _068_/B 1.25 5.00 -3.75 (VIOLATED) input3/A 1.25 5.00 -3.75 (VIOLATED) _070_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA_input5_A/DIODE 1.25 5.00 -3.75 (VIOLATED) input2/A 1.25 5.00 -3.75 (VIOLATED) clkbuf_0_serial_load/A 1.25 5.00 -3.75 (VIOLATED) input5/A 1.25 5.00 -3.75 (VIOLATED) input4/A 1.25 5.00 -3.75 (VIOLATED) ANTENNA_input4_A/DIODE 1.25 5.00 -3.75 (VIOLATED) _062_/B 1.25 5.00 -3.75 (VIOLATED) ANTENNA_clkbuf_0_serial_load_A/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA_input1_A/DIODE 1.25 5.00 -3.75 (VIOLATED) ANTENNA__071__B/DIODE 1.25 5.00 -3.75 (VIOLATED) _072_/B 1.25 5.00 -3.75 (VIOLATED) input1/A 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[0] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[10] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[11] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[12] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[1] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[2] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[3] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[4] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[5] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[6] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[7] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[8] 1.25 5.00 -3.75 (VIOLATED) gpio_defaults[9] 1.25 5.00 -3.75 (VIOLATED) mgmt_gpio_oeb 1.25 5.00 -3.75 (VIOLATED) mgmt_gpio_out 1.25 5.00 -3.75 (VIOLATED) pad_gpio_in 1.25 5.00 -3.75 (VIOLATED) resetn 1.25 5.00 -3.75 (VIOLATED) serial_clock 1.25 5.00 -3.75 (VIOLATED) serial_data_in 1.25 5.00 -3.75 (VIOLATED) serial_load 1.25 5.00 -3.75 (VIOLATED) user_gpio_oeb 1.25 5.00 -3.75 (VIOLATED) user_gpio_out 1.25 5.00 -3.75 (VIOLATED) max fanout Pin Limit Fanout Slack --------------------------------------------------------- clkbuf_1_0__f_serial_clock/X 7 9 -2 (VIOLATED) clkbuf_1_1__f_serial_load/X 7 8 (VIOLATED) fanout30/X 7 8 (VIOLATED) =========================================================================== max slew violation count 92 max fanout violation count 3 max cap violation count 0 ============================================================================ check_slew_end tns_report =========================================================================== report_tns ============================================================================ tns 0.00 tns_report_end wns_report =========================================================================== report_wns ============================================================================ wns 0.00 wns_report_end worst_slack =========================================================================== report_worst_slack -max (Setup) ============================================================================ worst slack 12.05 =========================================================================== report_worst_slack -min (Hold) ============================================================================ worst slack 0.30 worst_slack_end clock_skew =========================================================================== report_clock_skew ============================================================================ Clock serial_clock Latency CRPR Skew _122_/CLK ^ 0.85 _123_/CLK ^ 0.76 -0.06 0.02 Clock serial_load No launch/capture paths found. clock_skew_end power_report =========================================================================== report_power ============================================================================ Group Internal Switching Leakage Total Power Power Power Power (Watts) ---------------------------------------------------------------- Sequential 2.58e-05 1.05e-06 2.17e-10 2.68e-05 20.0% Combinational 3.88e-05 6.84e-05 7.83e-10 1.07e-04 80.0% Macro 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.0% Pad 0.00e+00 0.00e+00 0.00e+00 0.00e+00 0.0% ---------------------------------------------------------------- Total 6.46e-05 6.95e-05 1.00e-09 1.34e-04 100.0% 48.2% 51.8% 0.0% power_report_end area_report =========================================================================== report_design_area ============================================================================ Design area 2408 u^2 89% utilization. area_report_end