mirror of https://github.com/efabless/caravel.git
281 lines
20 KiB
Plaintext
281 lines
20 KiB
Plaintext
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===========================================================================
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report_checks -unconstrained
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============================================================================
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Startpoint: _35093_ (rising edge-triggered flip-flop clocked by clk)
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Endpoint: soc.core.RAM256.BANK128[0].RAM128
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(rising edge-triggered flip-flop clocked by clk)
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Path Group: clk
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Path Type: max
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Fanout Cap Slew Delay Time Description
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-----------------------------------------------------------------------------
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0.00 0.00 clock clk (rise edge)
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0.00 0.00 clock source latency
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0.25 0.00 0.00 ^ clock_ctrl/core_clk (caravel_clocking)
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2 0.24 mgmt_buffers.caravel_clk (net)
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0.25 0.00 0.00 ^ clkbuf_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.10 0.24 0.25 ^ clkbuf_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_16)
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4 0.08 clknet_0_mgmt_buffers.caravel_clk (net)
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0.11 0.01 0.26 ^ clkbuf_1_0_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.15 0.23 0.49 ^ clkbuf_1_0_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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4 0.08 clknet_1_0_0_mgmt_buffers.caravel_clk (net)
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0.15 0.01 0.50 ^ clkbuf_2_0_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.10 0.21 0.71 ^ clkbuf_2_0_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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4 0.05 clknet_2_0_0_mgmt_buffers.caravel_clk (net)
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0.10 0.01 0.71 ^ clkbuf_3_1_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.14 0.22 0.94 ^ clkbuf_3_1_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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8 0.08 clknet_3_1_0_mgmt_buffers.caravel_clk (net)
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0.14 0.01 0.95 ^ clkbuf_5_7_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.11 0.22 1.17 ^ clkbuf_5_7_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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8 0.06 clknet_5_7_0_mgmt_buffers.caravel_clk (net)
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0.11 0.01 1.17 ^ clkbuf_7_31__f_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.12 0.21 1.38 ^ clkbuf_7_31__f_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_16)
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16 0.10 clknet_7_31__leaf_mgmt_buffers.caravel_clk (net)
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0.12 0.01 1.40 ^ clkbuf_leaf_80_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.04 0.15 1.55 ^ clkbuf_leaf_80_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_16)
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4 0.02 clknet_leaf_80_mgmt_buffers.caravel_clk (net)
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0.04 0.00 1.55 ^ _35093_/CLK (sky130_fd_sc_hd__dfxtp_2)
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0.10 0.37 1.92 ^ _35093_/Q (sky130_fd_sc_hd__dfxtp_2)
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2 0.02 soc.core.grant[1] (net)
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0.10 0.00 1.92 ^ hold9625/A (sky130_fd_sc_hd__clkdlybuf4s15_2)
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0.05 0.23 2.15 ^ hold9625/X (sky130_fd_sc_hd__clkdlybuf4s15_2)
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1 0.01 net12342 (net)
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0.05 0.00 2.15 ^ fanout2322/A (sky130_fd_sc_hd__buf_8)
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0.15 0.19 2.34 ^ fanout2322/X (sky130_fd_sc_hd__buf_8)
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20 0.09 net2322 (net)
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0.15 0.01 2.35 ^ fanout2321/A (sky130_fd_sc_hd__buf_6)
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0.18 0.24 2.59 ^ fanout2321/X (sky130_fd_sc_hd__buf_6)
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24 0.09 net2321 (net)
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0.18 0.00 2.59 ^ _20858_/A_N (sky130_fd_sc_hd__and3b_4)
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0.07 0.28 2.87 v _20858_/X (sky130_fd_sc_hd__and3b_4)
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2 0.03 _10697_ (net)
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0.07 0.00 2.87 v _20859_/B1 (sky130_fd_sc_hd__a21oi_4)
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0.23 0.23 3.10 ^ _20859_/Y (sky130_fd_sc_hd__a21oi_4)
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2 0.03 _04932_ (net)
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0.23 0.00 3.10 ^ _15708_/A0 (sky130_fd_sc_hd__mux2_8)
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0.52 0.54 3.64 ^ _15708_/X (sky130_fd_sc_hd__mux2_8)
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16 0.32 _04933_ (net)
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0.54 0.09 3.74 ^ _20671_/B (sky130_fd_sc_hd__and3_4)
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0.14 0.38 4.12 ^ _20671_/X (sky130_fd_sc_hd__and3_4)
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4 0.04 _10553_ (net)
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0.14 0.00 4.12 ^ fanout1386/A (sky130_fd_sc_hd__buf_6)
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0.16 0.22 4.34 ^ fanout1386/X (sky130_fd_sc_hd__buf_6)
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24 0.08 net1386 (net)
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0.16 0.01 4.35 ^ _21232_/C (sky130_fd_sc_hd__and3_2)
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0.12 0.28 4.63 ^ _21232_/X (sky130_fd_sc_hd__and3_2)
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2 0.02 _10990_ (net)
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0.12 0.00 4.63 ^ fanout1315/A (sky130_fd_sc_hd__buf_6)
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0.17 0.22 4.85 ^ fanout1315/X (sky130_fd_sc_hd__buf_6)
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12 0.09 net1315 (net)
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0.18 0.01 4.86 ^ _21233_/C (sky130_fd_sc_hd__and3_2)
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0.08 0.24 5.10 ^ _21233_/X (sky130_fd_sc_hd__and3_2)
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1 0.01 _10991_ (net)
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0.08 0.00 5.10 ^ _21234_/D (sky130_fd_sc_hd__and4_4)
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0.34 0.48 5.58 ^ _21234_/X (sky130_fd_sc_hd__and4_4)
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10 0.11 _10992_ (net)
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0.34 0.01 5.59 ^ _21235_/C (sky130_fd_sc_hd__nand3_4)
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0.70 0.55 6.14 v _21235_/Y (sky130_fd_sc_hd__nand3_4)
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14 0.21 _10993_ (net)
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0.70 0.06 6.20 v _21237_/C (sky130_fd_sc_hd__nor3_4)
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0.75 0.85 7.05 ^ _21237_/Y (sky130_fd_sc_hd__nor3_4)
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2 0.07 soc.core.RAM256.SEL0[0] (net)
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0.75 0.02 7.07 ^ wire773/A (sky130_fd_sc_hd__buf_6)
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0.17 0.29 7.37 ^ wire773/X (sky130_fd_sc_hd__buf_6)
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2 0.08 net13623 (net)
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0.17 0.02 7.39 ^ wire962/A (sky130_fd_sc_hd__buf_8)
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0.16 0.21 7.60 ^ wire962/X (sky130_fd_sc_hd__buf_8)
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2 0.09 net962 (net)
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0.17 0.03 7.63 ^ wire961/A (sky130_fd_sc_hd__buf_6)
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0.09 0.17 7.80 ^ wire961/X (sky130_fd_sc_hd__buf_6)
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2 0.04 net961 (net)
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0.10 0.01 7.81 ^ soc.core.RAM256.BANK128[0].RAM128/EN0 (RAM128)
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7.81 data arrival time
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12.50 12.50 clock clk (fall edge)
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0.00 12.50 clock source latency
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0.14 0.00 12.50 v clock_ctrl/core_clk (caravel_clocking)
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2 0.24 mgmt_buffers.caravel_clk (net)
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0.14 0.00 12.50 v clkbuf_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.07 0.21 12.72 v clkbuf_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_16)
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4 0.08 clknet_0_mgmt_buffers.caravel_clk (net)
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0.08 0.01 12.73 v clkbuf_1_0_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.09 0.20 12.92 v clkbuf_1_0_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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4 0.08 clknet_1_0_0_mgmt_buffers.caravel_clk (net)
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0.10 0.01 12.93 v clkbuf_2_0_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.07 0.18 13.12 v clkbuf_2_0_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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4 0.05 clknet_2_0_0_mgmt_buffers.caravel_clk (net)
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0.07 0.01 13.13 v clkbuf_3_0_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.12 0.21 13.33 v clkbuf_3_0_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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8 0.10 clknet_3_0_0_mgmt_buffers.caravel_clk (net)
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0.12 0.02 13.35 v clkbuf_5_2_0_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_8)
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0.11 0.22 13.57 v clkbuf_5_2_0_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_8)
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8 0.09 clknet_5_2_0_mgmt_buffers.caravel_clk (net)
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0.12 0.02 13.59 v clkbuf_7_10__f_mgmt_buffers.caravel_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.09 0.21 13.80 v clkbuf_7_10__f_mgmt_buffers.caravel_clk/X (sky130_fd_sc_hd__clkbuf_16)
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10 0.10 clknet_7_10__leaf_mgmt_buffers.caravel_clk (net)
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0.10 0.02 13.82 v soc.core.RAM256.BANK128[0].RAM128/CLK (RAM128)
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-0.10 13.72 clock uncertainty
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0.05 13.77 clock reconvergence pessimism
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-0.86 12.91 library setup time
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12.91 data required time
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-----------------------------------------------------------------------------
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12.91 data required time
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-7.81 data arrival time
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-----------------------------------------------------------------------------
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5.10 slack (MET)
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Startpoint: _37377_ (rising edge-triggered flip-flop clocked by hk_serial_clk)
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Endpoint: _37378_ (rising edge-triggered flip-flop clocked by hk_serial_clk')
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Path Group: hk_serial_clk
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Path Type: max
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Fanout Cap Slew Delay Time Description
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-----------------------------------------------------------------------------
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0.00 0.00 clock hk_serial_clk (rise edge)
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0.00 0.00 clock source latency
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0.04 0.00 0.00 ^ housekeeping_alt/serial_clock (housekeeping_alt)
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3 0.02 gpio_control_bidir_1[0].serial_clock (net)
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0.04 0.00 0.00 ^ fanout2143/A (sky130_fd_sc_hd__buf_12)
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0.24 0.19 0.19 ^ fanout2143/X (sky130_fd_sc_hd__buf_12)
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10 0.22 net2143 (net)
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0.36 0.14 0.33 ^ wire2145/A (sky130_fd_sc_hd__buf_6)
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0.20 0.28 0.61 ^ wire2145/X (sky130_fd_sc_hd__buf_6)
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2 0.10 net2145 (net)
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0.21 0.02 0.64 ^ wire820/A (sky130_fd_sc_hd__buf_12)
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0.20 0.25 0.89 ^ wire820/X (sky130_fd_sc_hd__buf_12)
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4 0.17 net13670 (net)
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0.21 0.04 0.93 ^ wire2144/A (sky130_fd_sc_hd__buf_12)
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0.19 0.23 1.16 ^ wire2144/X (sky130_fd_sc_hd__buf_12)
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6 0.16 net2144 (net)
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0.23 0.07 1.23 ^ fanout2141/A (sky130_fd_sc_hd__buf_12)
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0.19 0.23 1.46 ^ fanout2141/X (sky130_fd_sc_hd__buf_12)
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24 0.16 net2141 (net)
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0.22 0.07 1.52 ^ gpio_control_bidir_2[2].BUF[2]/A (sky130_fd_sc_hd__buf_6)
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0.10 0.19 1.71 ^ gpio_control_bidir_2[2].BUF[2]/X (sky130_fd_sc_hd__buf_6)
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8 0.05 gpio_control_bidir_2[1].serial_clock (net)
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0.10 0.01 1.72 ^ gpio_control_bidir_2[1].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.11 0.19 1.91 ^ gpio_control_bidir_2[1].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.04 gpio_control_bidir_2[0].serial_clock (net)
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0.11 0.00 1.91 ^ fanout1574/A (sky130_fd_sc_hd__buf_8)
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0.14 0.19 2.11 ^ fanout1574/X (sky130_fd_sc_hd__buf_8)
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24 0.08 net1574 (net)
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0.14 0.01 2.11 ^ gpio_control_bidir_2[0].BUF[2]/A (sky130_fd_sc_hd__clkbuf_8)
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0.20 0.28 2.39 ^ gpio_control_bidir_2[0].BUF[2]/X (sky130_fd_sc_hd__clkbuf_8)
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30 0.11 gpio_control_bidir_2[0].serial_clock_out (net)
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0.20 0.02 2.41 ^ gpio_control_in_2[9].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.10 0.21 2.62 ^ gpio_control_in_2[9].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.03 gpio_control_in_2[8].serial_clock (net)
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0.10 0.00 2.62 ^ fanout1337/A (sky130_fd_sc_hd__buf_8)
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0.16 0.20 2.82 ^ fanout1337/X (sky130_fd_sc_hd__buf_8)
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24 0.09 net1337 (net)
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0.16 0.01 2.83 ^ gpio_control_in_2[8].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.10 0.20 3.03 ^ gpio_control_in_2[8].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.03 gpio_control_in_2[7].serial_clock (net)
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0.10 0.00 3.03 ^ fanout1269/A (sky130_fd_sc_hd__buf_8)
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0.16 0.20 3.23 ^ fanout1269/X (sky130_fd_sc_hd__buf_8)
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24 0.09 net1269 (net)
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0.16 0.01 3.24 ^ gpio_control_in_2[7].BUF[2]/A (sky130_fd_sc_hd__buf_6)
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0.18 0.22 3.46 ^ gpio_control_in_2[7].BUF[2]/X (sky130_fd_sc_hd__buf_6)
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8 0.09 gpio_control_in_2[6].serial_clock (net)
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0.19 0.03 3.49 ^ fanout1175/A (sky130_fd_sc_hd__buf_12)
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0.11 0.19 3.68 ^ fanout1175/X (sky130_fd_sc_hd__buf_12)
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24 0.08 net1175 (net)
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0.11 0.01 3.69 ^ gpio_control_in_2[6].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.13 0.20 3.89 ^ gpio_control_in_2[6].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.04 gpio_control_in_2[5].serial_clock (net)
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0.13 0.00 3.90 ^ fanout1120/A (sky130_fd_sc_hd__buf_8)
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0.14 0.20 4.10 ^ fanout1120/X (sky130_fd_sc_hd__buf_8)
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24 0.09 net1120 (net)
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0.14 0.00 4.10 ^ gpio_control_in_2[5].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.11 0.20 4.31 ^ gpio_control_in_2[5].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.04 gpio_control_in_2[4].serial_clock (net)
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0.11 0.00 4.31 ^ fanout972/A (sky130_fd_sc_hd__buf_6)
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0.17 0.22 4.53 ^ fanout972/X (sky130_fd_sc_hd__buf_6)
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24 0.08 net972 (net)
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0.17 0.00 4.53 ^ _37377_/CLK (sky130_fd_sc_hd__dfrtp_2)
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0.09 0.50 5.03 v _37377_/Q (sky130_fd_sc_hd__dfrtp_2)
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4 0.02 gpio_control_in_2[4].shift_register[12] (net)
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0.09 0.00 5.03 v _37378_/D (sky130_fd_sc_hd__dfrtp_4)
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5.03 data arrival time
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25.00 25.00 clock hk_serial_clk' (rise edge)
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0.00 25.00 clock source latency
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0.03 0.00 25.00 v housekeeping_alt/serial_clock (housekeeping_alt)
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3 0.02 gpio_control_bidir_1[0].serial_clock (net)
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0.03 0.00 25.00 v fanout2143/A (sky130_fd_sc_hd__buf_12)
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0.09 0.14 25.15 v fanout2143/X (sky130_fd_sc_hd__buf_12)
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10 0.22 net2143 (net)
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0.27 0.12 25.27 v wire2145/A (sky130_fd_sc_hd__buf_6)
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0.09 0.26 25.53 v wire2145/X (sky130_fd_sc_hd__buf_6)
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2 0.10 net2145 (net)
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0.10 0.02 25.55 v wire820/A (sky130_fd_sc_hd__buf_12)
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0.10 0.19 25.74 v wire820/X (sky130_fd_sc_hd__buf_12)
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4 0.17 net13670 (net)
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0.12 0.04 25.78 v wire2144/A (sky130_fd_sc_hd__buf_12)
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0.09 0.18 25.96 v wire2144/X (sky130_fd_sc_hd__buf_12)
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6 0.16 net2144 (net)
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0.16 0.06 26.02 v fanout2141/A (sky130_fd_sc_hd__buf_12)
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0.09 0.20 26.21 v fanout2141/X (sky130_fd_sc_hd__buf_12)
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24 0.16 net2141 (net)
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0.15 0.06 26.27 v gpio_control_bidir_2[2].BUF[2]/A (sky130_fd_sc_hd__buf_6)
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0.05 0.18 26.45 v gpio_control_bidir_2[2].BUF[2]/X (sky130_fd_sc_hd__buf_6)
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8 0.04 gpio_control_bidir_2[1].serial_clock (net)
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0.05 0.01 26.46 v gpio_control_bidir_2[1].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.06 0.17 26.62 v gpio_control_bidir_2[1].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.04 gpio_control_bidir_2[0].serial_clock (net)
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0.06 0.00 26.63 v fanout1574/A (sky130_fd_sc_hd__buf_8)
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0.07 0.16 26.78 v fanout1574/X (sky130_fd_sc_hd__buf_8)
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24 0.08 net1574 (net)
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0.07 0.01 26.79 v gpio_control_bidir_2[0].BUF[2]/A (sky130_fd_sc_hd__clkbuf_8)
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0.12 0.21 27.00 v gpio_control_bidir_2[0].BUF[2]/X (sky130_fd_sc_hd__clkbuf_8)
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30 0.11 gpio_control_bidir_2[0].serial_clock_out (net)
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0.13 0.02 27.02 v gpio_control_in_2[9].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.05 0.19 27.21 v gpio_control_in_2[9].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.03 gpio_control_in_2[8].serial_clock (net)
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0.05 0.00 27.21 v fanout1337/A (sky130_fd_sc_hd__buf_8)
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0.07 0.16 27.37 v fanout1337/X (sky130_fd_sc_hd__buf_8)
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24 0.09 net1337 (net)
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0.07 0.01 27.38 v gpio_control_in_2[8].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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0.06 0.17 27.55 v gpio_control_in_2[8].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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8 0.03 gpio_control_in_2[7].serial_clock (net)
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0.06 0.00 27.55 v fanout1269/A (sky130_fd_sc_hd__buf_8)
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0.07 0.16 27.72 v fanout1269/X (sky130_fd_sc_hd__buf_8)
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24 0.09 net1269 (net)
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0.07 0.00 27.72 v gpio_control_in_2[7].BUF[2]/A (sky130_fd_sc_hd__buf_6)
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0.08 0.16 27.89 v gpio_control_in_2[7].BUF[2]/X (sky130_fd_sc_hd__buf_6)
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8 0.09 gpio_control_in_2[6].serial_clock (net)
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0.10 0.02 27.91 v fanout1175/A (sky130_fd_sc_hd__buf_12)
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0.06 0.17 28.08 v fanout1175/X (sky130_fd_sc_hd__buf_12)
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24 0.08 net1175 (net)
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|
0.06 0.01 28.09 v gpio_control_in_2[6].BUF[2]/A (sky130_fd_sc_hd__buf_4)
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|
0.07 0.17 28.26 v gpio_control_in_2[6].BUF[2]/X (sky130_fd_sc_hd__buf_4)
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|
8 0.04 gpio_control_in_2[5].serial_clock (net)
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|
0.07 0.00 28.26 v fanout1120/A (sky130_fd_sc_hd__buf_8)
|
|
0.07 0.16 28.43 v fanout1120/X (sky130_fd_sc_hd__buf_8)
|
|
24 0.08 net1120 (net)
|
|
0.07 0.00 28.43 v gpio_control_in_2[5].BUF[2]/A (sky130_fd_sc_hd__buf_4)
|
|
0.06 0.17 28.60 v gpio_control_in_2[5].BUF[2]/X (sky130_fd_sc_hd__buf_4)
|
|
8 0.04 gpio_control_in_2[4].serial_clock (net)
|
|
0.06 0.00 28.61 v _20518_/A (sky130_fd_sc_hd__clkinv_4)
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|
0.02 0.04 28.65 ^ _20518_/Y (sky130_fd_sc_hd__clkinv_4)
|
|
1 0.00 _06108_ (net)
|
|
0.02 0.00 28.65 ^ _37378_/CLK (sky130_fd_sc_hd__dfrtp_4)
|
|
-0.10 28.55 clock uncertainty
|
|
0.28 28.83 clock reconvergence pessimism
|
|
-0.14 28.69 library setup time
|
|
28.69 data required time
|
|
-----------------------------------------------------------------------------
|
|
28.69 data required time
|
|
-5.03 data arrival time
|
|
-----------------------------------------------------------------------------
|
|
23.66 slack (MET)
|
|
|
|
|
|
|
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===========================================================================
|
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report_checks --slack_max -0.01
|
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============================================================================
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No paths found.
|