mirror of https://github.com/efabless/caravel.git
272 lines
18 KiB
Plaintext
272 lines
18 KiB
Plaintext
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===========================================================================
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report_checks -unconstrained
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============================================================================
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Startpoint: _6657_ (rising edge-triggered flip-flop clocked by sck)
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Endpoint: _6781_ (falling edge-triggered flip-flop clocked by sck)
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Path Group: sck
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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 sck (rise edge)
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0.00 0.00 clock source latency
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0.00 0.00 0.00 ^ mgmt_gpio_in[4] (in)
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2 0.01 mgmt_gpio_in[4] (net)
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0.00 0.00 0.00 ^ clkbuf_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_16)
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0.06 0.13 0.13 ^ clkbuf_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_16)
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8 0.04 clknet_0_mgmt_gpio_in[4] (net)
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0.06 0.00 0.13 ^ clkbuf_2_1__f_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_16)
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0.06 0.15 0.28 ^ clkbuf_2_1__f_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_16)
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24 0.03 clknet_2_1__leaf_mgmt_gpio_in[4] (net)
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0.06 0.00 0.28 ^ _6657_/CLK (sky130_fd_sc_hd__dfrtp_4)
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0.16 0.63 0.91 v _6657_/Q (sky130_fd_sc_hd__dfrtp_4)
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19 0.09 hkspi.state[3] (net)
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0.16 0.00 0.91 v _3186_/A (sky130_fd_sc_hd__inv_2)
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0.15 0.19 1.10 ^ _3186_/Y (sky130_fd_sc_hd__inv_2)
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4 0.03 _0819_ (net)
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0.15 0.00 1.10 ^ _3253_/B (sky130_fd_sc_hd__nand2_1)
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0.07 0.10 1.20 v _3253_/Y (sky130_fd_sc_hd__nand2_1)
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2 0.01 _0853_ (net)
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0.07 0.00 1.20 v hold1131/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.05 0.50 1.71 v hold1131/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net1610 (net)
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0.05 0.00 1.71 v _3254_/B1_N (sky130_fd_sc_hd__a21bo_1)
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0.07 0.20 1.91 ^ _3254_/X (sky130_fd_sc_hd__a21bo_1)
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2 0.01 _0854_ (net)
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0.07 0.00 1.91 ^ hold1132/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.04 0.51 2.42 ^ hold1132/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net1611 (net)
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0.04 0.00 2.42 ^ hold27/A (sky130_fd_sc_hd__dlymetal6s2s_1)
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0.07 0.11 2.53 ^ hold27/X (sky130_fd_sc_hd__dlymetal6s2s_1)
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1 0.00 net506 (net)
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0.07 0.00 2.53 ^ hold1133/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.04 0.52 3.05 ^ hold1133/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net1612 (net)
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0.04 0.00 3.05 ^ _3255_/B (sky130_fd_sc_hd__nand2b_1)
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0.05 0.06 3.11 v _3255_/Y (sky130_fd_sc_hd__nand2b_1)
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1 0.00 _0855_ (net)
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0.05 0.00 3.11 v hold1134/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.06 0.51 3.62 v hold1134/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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2 0.00 net1613 (net)
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0.06 0.00 3.63 v hold28/A (sky130_fd_sc_hd__dlymetal6s2s_1)
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0.08 0.19 3.81 v hold28/X (sky130_fd_sc_hd__dlymetal6s2s_1)
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2 0.01 net507 (net)
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0.08 0.00 3.81 v hold1135/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.09 0.58 4.39 v hold1135/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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2 0.02 net1614 (net)
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0.09 0.00 4.39 v _3276_/A (sky130_fd_sc_hd__nand2_1)
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0.22 0.22 4.61 ^ _3276_/Y (sky130_fd_sc_hd__nand2_1)
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2 0.02 _0876_ (net)
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0.22 0.00 4.61 ^ _3279_/A_N (sky130_fd_sc_hd__nand2b_1)
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0.08 0.17 4.78 ^ _3279_/Y (sky130_fd_sc_hd__nand2b_1)
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1 0.01 _0879_ (net)
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0.08 0.00 4.78 ^ hold1136/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.08 0.56 5.34 ^ hold1136/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1615 (net)
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0.08 0.00 5.34 ^ hold56/A (sky130_fd_sc_hd__buf_12)
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0.12 0.18 5.52 ^ hold56/X (sky130_fd_sc_hd__buf_12)
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6 0.10 net535 (net)
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0.12 0.00 5.52 ^ max_cap356/A (sky130_fd_sc_hd__buf_12)
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0.16 0.21 5.74 ^ max_cap356/X (sky130_fd_sc_hd__buf_12)
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6 0.13 net356 (net)
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0.16 0.01 5.74 ^ _3333_/A (sky130_fd_sc_hd__nor2_8)
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0.13 0.14 5.89 v _3333_/Y (sky130_fd_sc_hd__nor2_8)
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18 0.15 _0933_ (net)
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0.14 0.02 5.91 v _3379_/A2 (sky130_fd_sc_hd__a22o_1)
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0.10 0.34 6.26 v _3379_/X (sky130_fd_sc_hd__a22o_1)
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1 0.02 _0979_ (net)
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0.10 0.00 6.26 v _3380_/C1 (sky130_fd_sc_hd__a221o_4)
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0.13 0.47 6.73 v _3380_/X (sky130_fd_sc_hd__a221o_4)
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2 0.06 _0980_ (net)
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0.13 0.00 6.73 v _3383_/C (sky130_fd_sc_hd__nor4_1)
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0.33 0.35 7.09 ^ _3383_/Y (sky130_fd_sc_hd__nor4_1)
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1 0.01 _0983_ (net)
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0.33 0.00 7.09 ^ _3384_/C_N (sky130_fd_sc_hd__nor3b_4)
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0.70 0.71 7.80 ^ _3384_/Y (sky130_fd_sc_hd__nor3b_4)
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1 0.07 _0984_ (net)
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0.70 0.00 7.80 ^ _3385_/B (sky130_fd_sc_hd__nand2_8)
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0.22 0.26 8.06 v _3385_/Y (sky130_fd_sc_hd__nand2_8)
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10 0.12 _0985_ (net)
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0.22 0.01 8.07 v _3387_/A1 (sky130_fd_sc_hd__mux2_1)
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0.06 0.39 8.46 v _3387_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _0987_ (net)
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0.06 0.00 8.46 v _3388_/A0 (sky130_fd_sc_hd__mux2_1)
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0.06 0.30 8.76 v _3388_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _0391_ (net)
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0.06 0.00 8.76 v hold2850/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.05 0.49 9.25 v hold2850/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net3329 (net)
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0.05 0.00 9.25 v _6781_/D (sky130_fd_sc_hd__dfrtn_1)
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9.25 data arrival time
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50.00 50.00 clock sck (fall edge)
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0.00 50.00 clock source latency
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0.00 0.00 50.00 v mgmt_gpio_in[4] (in)
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2 0.01 mgmt_gpio_in[4] (net)
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0.00 0.00 50.00 v clkbuf_0_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_16)
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0.04 0.13 50.13 v clkbuf_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_16)
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8 0.03 clknet_0_mgmt_gpio_in[4] (net)
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0.04 0.00 50.13 v clkbuf_2_0__f_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_16)
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0.05 0.15 50.28 v clkbuf_2_0__f_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_16)
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36 0.05 clknet_2_0__leaf_mgmt_gpio_in[4] (net)
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0.05 0.00 50.28 v _6781_/CLK_N (sky130_fd_sc_hd__dfrtn_1)
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-0.10 50.18 clock uncertainty
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0.01 50.20 clock reconvergence pessimism
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-0.15 50.05 library setup time
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50.05 data required time
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-----------------------------------------------------------------------------
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50.05 data required time
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-9.25 data arrival time
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-----------------------------------------------------------------------------
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40.79 slack (MET)
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Startpoint: wb_clk_i (clock source 'wb_clk_i')
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Endpoint: mgmt_gpio_out[14] (output port clocked by wb_clk_i)
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Path Group: wb_clk_i
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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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12.50 12.50 clock wb_clk_i (fall edge)
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0.00 12.50 clock source latency
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0.00 0.00 12.50 v wb_clk_i (in)
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2 0.08 wb_clk_i (net)
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0.01 0.00 12.50 v clkbuf_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.14 0.23 12.73 v clkbuf_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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16 0.21 clknet_0_wb_clk_i (net)
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0.15 0.02 12.75 v clkbuf_3_7__f_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.08 0.25 13.01 v clkbuf_3_7__f_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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36 0.11 clknet_3_7__leaf_wb_clk_i (net)
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0.09 0.01 13.02 v _3950_/A1 (sky130_fd_sc_hd__mux2_1)
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0.12 0.40 13.42 v _3950_/X (sky130_fd_sc_hd__mux2_1)
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1 0.02 mgmt_gpio_out_14_prebuff (net)
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0.12 0.00 13.42 v mgmt_gpio_14_buff_inst/A (sky130_fd_sc_hd__clkbuf_8)
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0.22 0.34 13.76 v mgmt_gpio_14_buff_inst/X (sky130_fd_sc_hd__clkbuf_8)
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1 0.21 mgmt_gpio_out[14] (net)
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0.22 0.00 13.76 v mgmt_gpio_out[14] (out)
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13.76 data arrival time
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25.00 25.00 clock wb_clk_i (rise edge)
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0.00 25.00 clock network delay (propagated)
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-0.10 24.90 clock uncertainty
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0.00 24.90 clock reconvergence pessimism
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-5.00 19.90 output external delay
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19.90 data required time
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-----------------------------------------------------------------------------
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19.90 data required time
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-13.76 data arrival time
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-----------------------------------------------------------------------------
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6.14 slack (MET)
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Startpoint: mgmt_gpio_in[2] (input port clocked by wb_clk_i)
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Endpoint: _7140_ (rising edge-triggered flip-flop clocked by wbbd_sck)
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Path Group: wbbd_sck
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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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25.00 25.00 clock wb_clk_i (rise edge)
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0.00 25.00 clock network delay (propagated)
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5.00 30.00 v input external delay
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0.00 0.00 30.00 v mgmt_gpio_in[2] (in)
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2 0.01 mgmt_gpio_in[2] (net)
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0.00 0.00 30.00 v input58/A (sky130_fd_sc_hd__buf_12)
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0.11 0.15 30.15 v input58/X (sky130_fd_sc_hd__buf_12)
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28 0.20 net58 (net)
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0.16 0.06 30.21 v _3270_/A1 (sky130_fd_sc_hd__mux2_1)
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0.05 0.35 30.56 v _3270_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _0870_ (net)
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0.05 0.00 30.56 v _3271_/A0 (sky130_fd_sc_hd__mux2_1)
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0.09 0.34 30.90 v _3271_/X (sky130_fd_sc_hd__mux2_1)
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1 0.01 _0871_ (net)
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0.09 0.00 30.90 v hold78/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.13 0.61 31.51 v hold78/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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4 0.03 net557 (net)
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0.13 0.00 31.51 v _3272_/B (sky130_fd_sc_hd__nor2_1)
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0.14 0.17 31.68 ^ _3272_/Y (sky130_fd_sc_hd__nor2_1)
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1 0.01 _0872_ (net)
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0.14 0.00 31.68 ^ hold1074/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.08 0.58 32.26 ^ hold1074/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1553 (net)
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0.08 0.00 32.26 ^ hold79/A (sky130_fd_sc_hd__clkbuf_16)
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0.11 0.20 32.46 ^ hold79/X (sky130_fd_sc_hd__clkbuf_16)
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5 0.09 net558 (net)
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0.11 0.00 32.47 ^ _3294_/A (sky130_fd_sc_hd__nand2_8)
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0.04 0.05 32.51 v _3294_/Y (sky130_fd_sc_hd__nand2_8)
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1 0.00 _0894_ (net)
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0.04 0.00 32.51 v hold1075/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.40 0.83 33.35 v hold1075/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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6 0.11 net1554 (net)
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0.40 0.00 33.35 v _3295_/B (sky130_fd_sc_hd__nor2_8)
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0.62 0.65 34.00 ^ _3295_/Y (sky130_fd_sc_hd__nor2_8)
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18 0.17 _0895_ (net)
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0.62 0.01 34.01 ^ hold1076/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.09 0.69 34.71 ^ hold1076/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1555 (net)
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0.09 0.00 34.71 ^ _5578_/A (sky130_fd_sc_hd__and2_4)
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0.08 0.19 34.90 ^ _5578_/X (sky130_fd_sc_hd__and2_4)
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1 0.02 _2438_ (net)
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0.08 0.00 34.90 ^ hold1077/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.35 0.76 35.66 ^ hold1077/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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8 0.07 net1556 (net)
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0.35 0.00 35.66 ^ _5586_/S (sky130_fd_sc_hd__mux2_1)
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0.07 0.40 36.06 v _5586_/X (sky130_fd_sc_hd__mux2_1)
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1 0.01 _0750_ (net)
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0.07 0.00 36.06 v hold1078/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.07 0.53 36.59 v hold1078/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1557 (net)
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0.07 0.00 36.59 v _7140_/D (sky130_fd_sc_hd__dfrtp_4)
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36.59 data arrival time
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50.00 50.00 clock wbbd_sck (rise edge)
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0.00 50.00 clock source latency
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0.00 0.00 50.00 ^ wb_clk_i (in)
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2 0.08 wb_clk_i (net)
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0.01 0.00 50.00 ^ clkbuf_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.23 0.23 50.24 ^ clkbuf_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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16 0.22 clknet_0_wb_clk_i (net)
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0.23 0.02 50.25 ^ clkbuf_3_6__f_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.07 0.20 50.45 ^ clkbuf_3_6__f_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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13 0.05 clknet_3_6__leaf_wb_clk_i (net)
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||
|
|
0.07 0.00 50.45 ^ _7203_/CLK (sky130_fd_sc_hd__dfrtp_2)
|
||
|
|
0.06 0.35 50.80 ^ _7203_/Q (sky130_fd_sc_hd__dfrtp_2)
|
||
|
|
1 0.01 wbbd_sck (net)
|
||
|
|
0.06 0.00 50.80 ^ clkbuf_0_wbbd_sck/A (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
0.04 0.13 50.93 ^ clkbuf_0_wbbd_sck/X (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
2 0.02 clknet_0_wbbd_sck (net)
|
||
|
|
0.05 0.00 50.93 ^ clkbuf_1_0__f_wbbd_sck/A (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
0.03 0.10 51.04 ^ clkbuf_1_0__f_wbbd_sck/X (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
1 0.00 clknet_1_0__leaf_wbbd_sck (net)
|
||
|
|
0.03 0.00 51.04 ^ _3955_/A2 (sky130_fd_sc_hd__a22o_2)
|
||
|
|
0.27 0.29 51.32 ^ _3955_/X (sky130_fd_sc_hd__a22o_2)
|
||
|
|
2 0.05 csclk (net)
|
||
|
|
0.27 0.00 51.33 ^ clkbuf_0_csclk/A (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
0.21 0.30 51.63 ^ clkbuf_0_csclk/X (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
16 0.20 clknet_0_csclk (net)
|
||
|
|
0.21 0.02 51.65 ^ clkbuf_3_7_0_csclk/A (sky130_fd_sc_hd__clkbuf_8)
|
||
|
|
0.25 0.31 51.95 ^ clkbuf_3_7_0_csclk/X (sky130_fd_sc_hd__clkbuf_8)
|
||
|
|
10 0.14 clknet_3_7_0_csclk (net)
|
||
|
|
0.25 0.01 51.97 ^ clkbuf_leaf_34_csclk/A (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
0.04 0.17 52.14 ^ clkbuf_leaf_34_csclk/X (sky130_fd_sc_hd__clkbuf_16)
|
||
|
|
3 0.01 clknet_leaf_34_csclk (net)
|
||
|
|
0.04 0.00 52.14 ^ _7140_/CLK (sky130_fd_sc_hd__dfrtp_4)
|
||
|
|
-0.10 52.04 clock uncertainty
|
||
|
|
0.00 52.04 clock reconvergence pessimism
|
||
|
|
-0.12 51.92 library setup time
|
||
|
|
51.92 data required time
|
||
|
|
-----------------------------------------------------------------------------
|
||
|
|
51.92 data required time
|
||
|
|
-36.59 data arrival time
|
||
|
|
-----------------------------------------------------------------------------
|
||
|
|
15.32 slack (MET)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
===========================================================================
|
||
|
|
report_checks --slack_max -0.01
|
||
|
|
============================================================================
|
||
|
|
No paths found.
|