=========================================================================== report_checks -unconstrained ============================================================================ Startpoint: _6481_ (rising edge-triggered flip-flop clocked by sck) Endpoint: _6794_ (falling edge-triggered flip-flop clocked by sck) Path Group: sck Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 0.00 0.00 clock sck (rise edge) 0.00 0.00 clock source latency 0.00 0.00 0.00 ^ mgmt_gpio_in[4] (in) 2 0.03 mgmt_gpio_in[4] (net) 0.00 0.00 0.00 ^ clkbuf_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.10 0.10 ^ clkbuf_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_0_mgmt_gpio_in[4] (net) 0.03 0.00 0.10 ^ clkbuf_1_0_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.11 0.21 ^ clkbuf_1_0_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 1 0.00 clknet_1_0_0_mgmt_gpio_in[4] (net) 0.03 0.00 0.21 ^ clkbuf_1_0_1_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.11 0.33 ^ clkbuf_1_0_1_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_1_0_1_mgmt_gpio_in[4] (net) 0.03 0.00 0.33 ^ clkbuf_2_1_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.07 0.15 0.48 ^ clkbuf_2_1_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 18 0.03 clknet_2_1_0_mgmt_gpio_in[4] (net) 0.07 0.00 0.48 ^ _6481_/CLK (sky130_fd_sc_hd__dfrtp_2) 0.20 0.50 0.98 ^ _6481_/Q (sky130_fd_sc_hd__dfrtp_2) 5 0.04 hkspi.addr[4] (net) 0.20 0.00 0.98 ^ hold234/A (sky130_fd_sc_hd__bufbuf_16) 0.05 0.31 1.29 ^ hold234/X (sky130_fd_sc_hd__bufbuf_16) 2 0.03 net1154 (net) 0.05 0.00 1.30 ^ _3249_/B (sky130_fd_sc_hd__nand2b_1) 0.21 0.19 1.49 v _3249_/Y (sky130_fd_sc_hd__nand2b_1) 2 0.03 _0838_ (net) 0.21 0.00 1.49 v hold235/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.33 1.83 v hold235/X (sky130_fd_sc_hd__bufbuf_16) 1 0.01 net1155 (net) 0.03 0.00 1.83 v _3250_/B1_N (sky130_fd_sc_hd__a21bo_2) 0.08 0.22 2.05 ^ _3250_/X (sky130_fd_sc_hd__a21bo_2) 2 0.01 _0839_ (net) 0.08 0.00 2.05 ^ hold236/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.25 2.30 ^ hold236/X (sky130_fd_sc_hd__bufbuf_16) 1 0.01 net1156 (net) 0.03 0.00 2.30 ^ _3251_/A0 (sky130_fd_sc_hd__mux2_8) 0.04 0.15 2.44 ^ _3251_/X (sky130_fd_sc_hd__mux2_8) 1 0.01 _0840_ (net) 0.04 0.00 2.44 ^ hold237/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.24 2.68 ^ hold237/X (sky130_fd_sc_hd__bufbuf_16) 1 0.00 net1157 (net) 0.03 0.00 2.68 ^ hold118/A (sky130_fd_sc_hd__bufbuf_16) 0.04 0.24 2.92 ^ hold118/X (sky130_fd_sc_hd__bufbuf_16) 3 0.01 net1038 (net) 0.04 0.00 2.92 ^ hold238/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.24 3.16 ^ hold238/X (sky130_fd_sc_hd__bufbuf_16) 3 0.01 net1158 (net) 0.03 0.00 3.16 ^ _3309_/A (sky130_fd_sc_hd__or3b_4) 0.04 0.12 3.28 ^ _3309_/X (sky130_fd_sc_hd__or3b_4) 1 0.01 _0898_ (net) 0.04 0.00 3.28 ^ hold135/A (sky130_fd_sc_hd__bufbuf_16) 0.10 0.30 3.58 ^ hold135/X (sky130_fd_sc_hd__bufbuf_16) 6 0.09 net1055 (net) 0.10 0.00 3.58 ^ max_length468/A (sky130_fd_sc_hd__buf_8) 0.22 0.24 3.82 ^ max_length468/X (sky130_fd_sc_hd__buf_8) 8 0.13 net468 (net) 0.22 0.02 3.85 ^ wire467/A (sky130_fd_sc_hd__buf_8) 0.18 0.24 4.09 ^ wire467/X (sky130_fd_sc_hd__buf_8) 7 0.11 net467 (net) 0.18 0.02 4.11 ^ _3420_/A (sky130_fd_sc_hd__nor2_8) 0.09 0.11 4.22 v _3420_/Y (sky130_fd_sc_hd__nor2_8) 7 0.07 _1006_ (net) 0.09 0.01 4.22 v _3490_/A2 (sky130_fd_sc_hd__a22o_4) 0.06 0.31 4.54 v _3490_/X (sky130_fd_sc_hd__a22o_4) 1 0.02 _1074_ (net) 0.06 0.00 4.54 v _3492_/C1 (sky130_fd_sc_hd__a221o_4) 0.09 0.39 4.93 v _3492_/X (sky130_fd_sc_hd__a221o_4) 2 0.02 _1076_ (net) 0.09 0.00 4.93 v _3504_/A (sky130_fd_sc_hd__or4_2) 0.12 0.73 5.67 v _3504_/X (sky130_fd_sc_hd__or4_2) 1 0.01 _1088_ (net) 0.12 0.00 5.67 v _3547_/A (sky130_fd_sc_hd__or4_2) 0.09 0.70 6.36 v _3547_/X (sky130_fd_sc_hd__or4_2) 1 0.00 _1131_ (net) 0.09 0.00 6.36 v _3548_/C (sky130_fd_sc_hd__or3_2) 0.14 0.53 6.90 v _3548_/X (sky130_fd_sc_hd__or3_2) 1 0.02 _1132_ (net) 0.14 0.00 6.90 v clkbuf_0__1132_/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.18 7.09 v clkbuf_0__1132_/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_0__1132_ (net) 0.03 0.00 7.09 v clkbuf_1_0__f__1132_/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.13 7.21 v clkbuf_1_0__f__1132_/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_1_0__leaf__1132_ (net) 0.03 0.00 7.21 v _3549_/A0 (sky130_fd_sc_hd__mux2_1) 0.05 0.28 7.49 v _3549_/X (sky130_fd_sc_hd__mux2_1) 1 0.00 _1133_ (net) 0.05 0.00 7.49 v _3550_/A0 (sky130_fd_sc_hd__mux2_1) 0.05 0.29 7.78 v _3550_/X (sky130_fd_sc_hd__mux2_1) 1 0.00 _0383_ (net) 0.05 0.00 7.78 v _6794_/D (sky130_fd_sc_hd__dfrtn_1) 7.78 data arrival time 50.00 50.00 clock sck (fall edge) 0.00 50.00 clock source latency 0.00 0.00 50.00 v mgmt_gpio_in[4] (in) 2 0.03 mgmt_gpio_in[4] (net) 0.00 0.00 50.00 v clkbuf_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.10 50.10 v clkbuf_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_0_mgmt_gpio_in[4] (net) 0.03 0.00 50.10 v clkbuf_1_1_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.02 0.11 50.22 v clkbuf_1_1_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 1 0.00 clknet_1_1_0_mgmt_gpio_in[4] (net) 0.02 0.00 50.22 v clkbuf_1_1_1_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.12 50.33 v clkbuf_1_1_1_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_1_1_1_mgmt_gpio_in[4] (net) 0.03 0.00 50.33 v clkbuf_2_2_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_8) 0.05 0.14 50.47 v clkbuf_2_2_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_8) 11 0.02 clknet_2_2_0_mgmt_gpio_in[4] (net) 0.05 0.00 50.47 v _6794_/CLK_N (sky130_fd_sc_hd__dfrtn_1) -0.30 50.17 clock uncertainty 0.01 50.18 clock reconvergence pessimism -0.15 50.02 library setup time 50.02 data required time ----------------------------------------------------------------------------- 50.02 data required time -7.78 data arrival time ----------------------------------------------------------------------------- 42.24 slack (MET) Startpoint: wb_clk_i (clock source 'wb_clk_i') Endpoint: mgmt_gpio_out[14] (output port clocked by wb_clk_i) Path Group: wb_clk_i Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 12.50 12.50 clock wb_clk_i (fall edge) 0.00 12.50 clock source latency 0.00 0.00 12.50 v wb_clk_i (in) 2 0.03 wb_clk_i (net) 0.01 0.00 12.50 v clkbuf_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.04 0.14 12.64 v clkbuf_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_0_wb_clk_i (net) 0.04 0.00 12.64 v clkbuf_1_1_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.13 12.77 v clkbuf_1_1_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 1 0.01 clknet_1_1_0_wb_clk_i (net) 0.03 0.00 12.77 v clkbuf_1_1_1_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.04 0.14 12.92 v clkbuf_1_1_1_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_1_1_1_wb_clk_i (net) 0.04 0.00 12.92 v clkbuf_2_3_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.04 0.14 13.06 v clkbuf_2_3_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_2_3_0_wb_clk_i (net) 0.04 0.00 13.06 v clkbuf_3_7_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.06 0.16 13.23 v clkbuf_3_7_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 11 0.04 clknet_3_7_0_wb_clk_i (net) 0.06 0.00 13.23 v _3949_/A1 (sky130_fd_sc_hd__mux2_1) 0.08 0.34 13.57 v _3949_/X (sky130_fd_sc_hd__mux2_1) 1 0.01 net218 (net) 0.08 0.00 13.57 v output218/A (sky130_fd_sc_hd__clkbuf_4) 0.41 0.46 14.03 v output218/X (sky130_fd_sc_hd__clkbuf_4) 1 0.21 mgmt_gpio_out[14] (net) 0.41 0.01 14.04 v mgmt_gpio_out[14] (out) 14.04 data arrival time 25.00 25.00 clock wb_clk_i (rise edge) 0.00 25.00 clock network delay (propagated) -0.30 24.70 clock uncertainty 0.00 24.70 clock reconvergence pessimism -10.00 14.70 output external delay 14.70 data required time ----------------------------------------------------------------------------- 14.70 data required time -14.04 data arrival time ----------------------------------------------------------------------------- 0.66 slack (MET) Startpoint: mgmt_gpio_in[2] (input port clocked by wb_clk_i) Endpoint: _7060_ (rising edge-triggered flip-flop clocked by wbbd_sck) Path Group: wbbd_sck Path Type: max Fanout Cap Slew Delay Time Description ----------------------------------------------------------------------------- 25.00 25.00 clock wb_clk_i (rise edge) 0.00 25.00 clock network delay (propagated) 10.00 35.00 v input external delay 0.00 0.00 35.00 v mgmt_gpio_in[2] (in) 1 0.01 mgmt_gpio_in[2] (net) 0.00 0.00 35.00 v input58/A (sky130_fd_sc_hd__buf_6) 0.03 0.11 35.11 v input58/X (sky130_fd_sc_hd__buf_6) 2 0.02 net58 (net) 0.03 0.00 35.11 v wire902/A (sky130_fd_sc_hd__buf_8) 0.05 0.14 35.25 v wire902/X (sky130_fd_sc_hd__buf_8) 10 0.05 net902 (net) 0.05 0.01 35.26 v _3270_/A1 (sky130_fd_sc_hd__mux2_2) 0.06 0.29 35.56 v _3270_/X (sky130_fd_sc_hd__mux2_2) 1 0.01 _0859_ (net) 0.06 0.00 35.56 v hold185/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.27 35.83 v hold185/X (sky130_fd_sc_hd__bufbuf_16) 1 0.01 net1105 (net) 0.03 0.00 35.83 v _3271_/A0 (sky130_fd_sc_hd__mux2_8) 0.05 0.30 36.13 v _3271_/X (sky130_fd_sc_hd__mux2_8) 1 0.01 _0860_ (net) 0.05 0.00 36.13 v hold186/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.26 36.39 v hold186/X (sky130_fd_sc_hd__bufbuf_16) 1 0.00 net1106 (net) 0.03 0.00 36.39 v hold94/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.26 36.65 v hold94/X (sky130_fd_sc_hd__bufbuf_16) 3 0.02 net1014 (net) 0.03 0.00 36.65 v hold187/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.27 36.92 v hold187/X (sky130_fd_sc_hd__bufbuf_16) 2 0.02 net1107 (net) 0.03 0.00 36.92 v _3272_/B (sky130_fd_sc_hd__or2_4) 0.05 0.23 37.16 v _3272_/X (sky130_fd_sc_hd__or2_4) 1 0.01 _0861_ (net) 0.05 0.00 37.16 v hold62/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.27 37.43 v hold62/X (sky130_fd_sc_hd__bufbuf_16) 4 0.02 net982 (net) 0.03 0.00 37.43 v _3292_/C (sky130_fd_sc_hd__or3_4) 0.06 0.33 37.76 v _3292_/X (sky130_fd_sc_hd__or3_4) 1 0.00 _0881_ (net) 0.06 0.00 37.76 v hold102/A (sky130_fd_sc_hd__bufbuf_16) 0.06 0.31 38.07 v hold102/X (sky130_fd_sc_hd__bufbuf_16) 6 0.08 net1022 (net) 0.06 0.00 38.07 v _3298_/B (sky130_fd_sc_hd__nor2_8) 0.19 0.18 38.25 ^ _3298_/Y (sky130_fd_sc_hd__nor2_8) 5 0.04 _0887_ (net) 0.19 0.00 38.25 ^ hold103/A (sky130_fd_sc_hd__bufbuf_16) 0.04 0.30 38.55 ^ hold103/X (sky130_fd_sc_hd__bufbuf_16) 1 0.02 net1023 (net) 0.04 0.00 38.55 ^ wire438/A (sky130_fd_sc_hd__buf_8) 0.10 0.14 38.69 ^ wire438/X (sky130_fd_sc_hd__buf_8) 6 0.06 net438 (net) 0.10 0.01 38.70 ^ hold104/A (sky130_fd_sc_hd__bufbuf_16) 0.05 0.29 38.99 ^ hold104/X (sky130_fd_sc_hd__bufbuf_16) 1 0.03 net1024 (net) 0.05 0.00 38.99 ^ _5486_/A (sky130_fd_sc_hd__nand2_8) 0.06 0.04 39.03 v _5486_/Y (sky130_fd_sc_hd__nand2_8) 1 0.01 _2436_ (net) 0.06 0.00 39.03 v hold105/A (sky130_fd_sc_hd__bufbuf_16) 0.05 0.30 39.33 v hold105/X (sky130_fd_sc_hd__bufbuf_16) 8 0.06 net1025 (net) 0.05 0.00 39.34 v _5494_/S (sky130_fd_sc_hd__mux2_1) 0.23 0.51 39.85 v _5494_/X (sky130_fd_sc_hd__mux2_1) 1 0.04 _0649_ (net) 0.23 0.01 39.86 v hold295/A (sky130_fd_sc_hd__bufbuf_16) 0.03 0.34 40.20 v hold295/X (sky130_fd_sc_hd__bufbuf_16) 1 0.00 net1215 (net) 0.03 0.00 40.20 v _7060_/D (sky130_fd_sc_hd__dfrtp_2) 40.20 data arrival time 50.00 50.00 clock wbbd_sck (rise edge) 0.00 50.00 clock source latency 0.00 0.00 50.00 ^ wb_clk_i (in) 2 0.03 wb_clk_i (net) 0.01 0.00 50.00 ^ clkbuf_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.05 0.11 50.12 ^ clkbuf_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_0_wb_clk_i (net) 0.05 0.00 50.12 ^ clkbuf_1_0_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.11 50.23 ^ clkbuf_1_0_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 1 0.01 clknet_1_0_0_wb_clk_i (net) 0.03 0.00 50.23 ^ clkbuf_1_0_1_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.05 0.12 50.35 ^ clkbuf_1_0_1_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_1_0_1_wb_clk_i (net) 0.05 0.00 50.35 ^ clkbuf_2_0_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.05 0.12 50.47 ^ clkbuf_2_0_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_2_0_0_wb_clk_i (net) 0.05 0.00 50.47 ^ clkbuf_3_0_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_8) 0.11 0.17 50.64 ^ clkbuf_3_0_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_8) 17 0.06 clknet_3_0_0_wb_clk_i (net) 0.11 0.00 50.64 ^ _7219_/CLK (sky130_fd_sc_hd__dfrtp_2) 0.05 0.35 51.00 ^ _7219_/Q (sky130_fd_sc_hd__dfrtp_2) 1 0.01 wbbd_sck (net) 0.05 0.00 51.00 ^ clkbuf_0_wbbd_sck/A (sky130_fd_sc_hd__clkbuf_8) 0.04 0.11 51.11 ^ clkbuf_0_wbbd_sck/X (sky130_fd_sc_hd__clkbuf_8) 2 0.01 clknet_0_wbbd_sck (net) 0.04 0.00 51.11 ^ clkbuf_1_0__f_wbbd_sck/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.10 51.21 ^ clkbuf_1_0__f_wbbd_sck/X (sky130_fd_sc_hd__clkbuf_8) 1 0.00 clknet_1_0__leaf_wbbd_sck (net) 0.03 0.00 51.21 ^ _3954_/A2 (sky130_fd_sc_hd__a22o_2) 0.16 0.22 51.43 ^ _3954_/X (sky130_fd_sc_hd__a22o_2) 1 0.03 csclk (net) 0.16 0.00 51.43 ^ clkbuf_0_csclk/A (sky130_fd_sc_hd__clkbuf_8) 0.05 0.17 51.60 ^ clkbuf_0_csclk/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_0_csclk (net) 0.05 0.00 51.60 ^ clkbuf_1_1_0_csclk/A (sky130_fd_sc_hd__clkbuf_8) 0.03 0.11 51.71 ^ clkbuf_1_1_0_csclk/X (sky130_fd_sc_hd__clkbuf_8) 1 0.01 clknet_1_1_0_csclk (net) 0.03 0.00 51.71 ^ clkbuf_1_1_1_csclk/A (sky130_fd_sc_hd__clkbuf_8) 0.06 0.13 51.83 ^ clkbuf_1_1_1_csclk/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_1_1_1_csclk (net) 0.06 0.00 51.83 ^ clkbuf_2_3_0_csclk/A (sky130_fd_sc_hd__clkbuf_8) 0.04 0.12 51.96 ^ clkbuf_2_3_0_csclk/X (sky130_fd_sc_hd__clkbuf_8) 2 0.02 clknet_2_3_0_csclk (net) 0.04 0.00 51.96 ^ clkbuf_3_7_0_csclk/A (sky130_fd_sc_hd__clkbuf_8) 0.14 0.19 52.15 ^ clkbuf_3_7_0_csclk/X (sky130_fd_sc_hd__clkbuf_8) 12 0.08 clknet_3_7_0_csclk (net) 0.14 0.00 52.15 ^ clkbuf_leaf_34_csclk/A (sky130_fd_sc_hd__clkbuf_8) 0.08 0.18 52.33 ^ clkbuf_leaf_34_csclk/X (sky130_fd_sc_hd__clkbuf_8) 15 0.04 clknet_leaf_34_csclk (net) 0.08 0.00 52.33 ^ _7060_/CLK (sky130_fd_sc_hd__dfrtp_2) 0.00 52.33 clock reconvergence pessimism -0.10 52.24 library setup time 52.24 data required time ----------------------------------------------------------------------------- 52.24 data required time -40.20 data arrival time ----------------------------------------------------------------------------- 12.04 slack (MET) =========================================================================== report_checks --slack_max -0.01 ============================================================================ No paths found.