mirror of https://github.com/efabless/caravel.git
278 lines
18 KiB
Plaintext
278 lines
18 KiB
Plaintext
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===========================================================================
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report_checks -unconstrained
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============================================================================
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Startpoint: _6467_ (rising edge-triggered flip-flop clocked by sck)
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Endpoint: _6775_ (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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1 0.07 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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0.05 0.13 0.13 ^ clkbuf_0_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_16)
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4 0.03 clknet_0_mgmt_gpio_in[4] (net)
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0.05 0.00 0.13 ^ clkbuf_2_1__f_mgmt_gpio_in[4]/A (sky130_fd_sc_hd__clkbuf_16)
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0.05 0.14 0.27 ^ clkbuf_2_1__f_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_16)
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14 0.03 clknet_2_1__leaf_mgmt_gpio_in[4] (net)
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0.05 0.00 0.27 ^ _6467_/CLK (sky130_fd_sc_hd__dfrtp_1)
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0.05 0.33 0.60 ^ _6467_/Q (sky130_fd_sc_hd__dfrtp_1)
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1 0.00 hkspi.addr[7] (net)
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0.05 0.00 0.60 ^ hold1060/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.05 0.52 1.12 ^ hold1060/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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2 0.01 net1549 (net)
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0.05 0.00 1.12 ^ _3253_/A (sky130_fd_sc_hd__nand2_1)
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0.06 0.07 1.19 v _3253_/Y (sky130_fd_sc_hd__nand2_1)
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2 0.01 _0853_ (net)
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0.06 0.00 1.19 v hold1061/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.05 0.51 1.70 v hold1061/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net1550 (net)
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0.05 0.00 1.70 v _3254_/B1_N (sky130_fd_sc_hd__a21bo_1)
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0.09 0.23 1.93 ^ _3254_/X (sky130_fd_sc_hd__a21bo_1)
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2 0.01 _0854_ (net)
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0.09 0.00 1.93 ^ hold1062/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.04 0.52 2.45 ^ hold1062/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net1551 (net)
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0.04 0.00 2.45 ^ hold87/A (sky130_fd_sc_hd__dlymetal6s2s_1)
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0.06 0.10 2.55 ^ hold87/X (sky130_fd_sc_hd__dlymetal6s2s_1)
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1 0.00 net575 (net)
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0.06 0.00 2.55 ^ hold1063/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.04 0.51 3.06 ^ hold1063/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net1552 (net)
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0.04 0.00 3.06 ^ _3255_/B (sky130_fd_sc_hd__nand2b_1)
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0.07 0.08 3.14 v _3255_/Y (sky130_fd_sc_hd__nand2b_1)
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1 0.01 _0855_ (net)
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0.07 0.00 3.14 v hold1064/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.08 0.56 3.70 v hold1064/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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2 0.01 net1553 (net)
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0.08 0.00 3.70 v _3302_/B (sky130_fd_sc_hd__and3_1)
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0.06 0.21 3.91 v _3302_/X (sky130_fd_sc_hd__and3_1)
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1 0.01 _0902_ (net)
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0.06 0.00 3.91 v hold1065/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.06 0.52 4.43 v hold1065/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1554 (net)
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0.06 0.00 4.43 v hold25/A (sky130_fd_sc_hd__buf_4)
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0.07 0.20 4.63 v hold25/X (sky130_fd_sc_hd__buf_4)
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4 0.05 net513 (net)
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0.07 0.00 4.63 v _3352_/B (sky130_fd_sc_hd__nand2_8)
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0.16 0.16 4.80 ^ _3352_/Y (sky130_fd_sc_hd__nand2_8)
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5 0.08 _0952_ (net)
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0.16 0.00 4.80 ^ hold908/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.09 0.59 5.39 ^ hold908/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1397 (net)
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0.09 0.00 5.40 ^ hold26/A (sky130_fd_sc_hd__buf_12)
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0.12 0.18 5.58 ^ hold26/X (sky130_fd_sc_hd__buf_12)
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5 0.10 net514 (net)
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0.12 0.00 5.58 ^ _3526_/A (sky130_fd_sc_hd__nor2_4)
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0.09 0.11 5.69 v _3526_/Y (sky130_fd_sc_hd__nor2_4)
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6 0.06 _1121_ (net)
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0.09 0.01 5.70 v _3717_/B1 (sky130_fd_sc_hd__a22o_1)
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0.11 0.28 5.98 v _3717_/X (sky130_fd_sc_hd__a22o_1)
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1 0.02 _1309_ (net)
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0.11 0.00 5.98 v _3718_/C1 (sky130_fd_sc_hd__a221o_1)
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0.08 0.33 6.31 v _3718_/X (sky130_fd_sc_hd__a221o_1)
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1 0.01 _1310_ (net)
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0.08 0.00 6.31 v _3725_/A (sky130_fd_sc_hd__nor4_1)
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0.68 0.66 6.98 ^ _3725_/Y (sky130_fd_sc_hd__nor4_1)
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1 0.02 _1317_ (net)
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0.68 0.00 6.98 ^ _3736_/C (sky130_fd_sc_hd__and4b_2)
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0.16 0.46 7.43 ^ _3736_/X (sky130_fd_sc_hd__and4b_2)
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1 0.03 _1328_ (net)
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0.16 0.00 7.44 ^ _3737_/B (sky130_fd_sc_hd__nand2_4)
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0.12 0.15 7.58 v _3737_/Y (sky130_fd_sc_hd__nand2_4)
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5 0.05 _1329_ (net)
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0.12 0.01 7.59 v _3738_/A1 (sky130_fd_sc_hd__mux2_1)
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0.06 0.34 7.93 v _3738_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _1330_ (net)
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0.06 0.00 7.93 v _3739_/A0 (sky130_fd_sc_hd__mux2_1)
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0.06 0.31 8.23 v _3739_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _0385_ (net)
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0.06 0.00 8.23 v hold2423/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.04 0.50 8.73 v hold2423/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net2912 (net)
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0.04 0.00 8.73 v _6775_/D (sky130_fd_sc_hd__dfrtn_1)
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8.73 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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1 0.07 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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4 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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0.03 0.14 50.26 v clkbuf_2_0__f_mgmt_gpio_in[4]/X (sky130_fd_sc_hd__clkbuf_16)
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10 0.02 clknet_2_0__leaf_mgmt_gpio_in[4] (net)
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0.03 0.00 50.26 v _6775_/CLK_N (sky130_fd_sc_hd__dfrtn_1)
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-0.10 50.16 clock uncertainty
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0.01 50.17 clock reconvergence pessimism
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-0.15 50.02 library setup time
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50.02 data required time
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-----------------------------------------------------------------------------
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50.02 data required time
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-8.73 data arrival time
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-----------------------------------------------------------------------------
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41.29 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 0.09 wb_clk_i (net)
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0.01 0.01 12.51 v clkbuf_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.09 0.19 12.70 v clkbuf_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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8 0.12 clknet_0_wb_clk_i (net)
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0.09 0.01 12.71 v clkbuf_3_6__f_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.08 0.22 12.93 v clkbuf_3_6__f_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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15 0.09 clknet_3_6__leaf_wb_clk_i (net)
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0.08 0.01 12.93 v _3950_/A1 (sky130_fd_sc_hd__mux2_1)
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0.09 0.37 13.30 v _3950_/X (sky130_fd_sc_hd__mux2_1)
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1 0.01 mgmt_gpio_out_14_prebuff (net)
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0.09 0.00 13.30 v mgmt_gpio_14_buff_inst/A (sky130_fd_sc_hd__clkbuf_8)
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0.22 0.33 13.63 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 0.01 13.64 v mgmt_gpio_out[14] (out)
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13.64 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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-13.64 data arrival time
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-----------------------------------------------------------------------------
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6.26 slack (MET)
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Startpoint: mgmt_gpio_in[2] (input port clocked by wb_clk_i)
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Endpoint: _7106_ (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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1 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_6)
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0.08 0.15 30.15 v input58/X (sky130_fd_sc_hd__buf_6)
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3 0.08 net58 (net)
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0.08 0.01 30.16 v wire1/A (sky130_fd_sc_hd__buf_8)
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0.10 0.19 30.35 v wire1/X (sky130_fd_sc_hd__buf_8)
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11 0.13 net1366 (net)
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0.12 0.03 30.38 v _3270_/A1 (sky130_fd_sc_hd__mux2_1)
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0.06 0.34 30.72 v _3270_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _0870_ (net)
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0.06 0.00 30.72 v _3271_/A0 (sky130_fd_sc_hd__mux2_2)
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0.08 0.32 31.04 v _3271_/X (sky130_fd_sc_hd__mux2_2)
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1 0.01 _0871_ (net)
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0.08 0.00 31.04 v hold959/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.08 0.55 31.59 v hold959/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1448 (net)
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0.08 0.00 31.59 v hold30/A (sky130_fd_sc_hd__clkbuf_2)
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0.08 0.16 31.76 v hold30/X (sky130_fd_sc_hd__clkbuf_2)
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2 0.02 net518 (net)
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0.08 0.00 31.76 v hold960/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.09 0.57 32.33 v hold960/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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3 0.02 net1449 (net)
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0.09 0.00 32.33 v _3272_/B (sky130_fd_sc_hd__nor2_1)
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0.33 0.30 32.63 ^ _3272_/Y (sky130_fd_sc_hd__nor2_1)
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1 0.02 _0872_ (net)
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0.33 0.00 32.63 ^ hold31/A (sky130_fd_sc_hd__buf_8)
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0.14 0.23 32.87 ^ hold31/X (sky130_fd_sc_hd__buf_8)
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5 0.08 net519 (net)
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0.14 0.01 32.87 ^ _3298_/A (sky130_fd_sc_hd__nand2_8)
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0.07 0.06 32.94 v _3298_/Y (sky130_fd_sc_hd__nand2_8)
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1 0.01 _0898_ (net)
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0.07 0.00 32.94 v hold896/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.39 0.84 33.77 v hold896/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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6 0.11 net1385 (net)
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0.39 0.01 33.78 v _3311_/B (sky130_fd_sc_hd__nor2_8)
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0.62 0.65 34.43 ^ _3311_/Y (sky130_fd_sc_hd__nor2_8)
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10 0.17 _0911_ (net)
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0.62 0.01 34.44 ^ hold897/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.09 0.69 35.13 ^ hold897/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1386 (net)
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0.09 0.00 35.13 ^ _5542_/A (sky130_fd_sc_hd__and2_4)
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0.53 0.53 35.66 ^ _5542_/X (sky130_fd_sc_hd__and2_4)
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8 0.19 _2434_ (net)
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0.53 0.01 35.67 ^ _5548_/S (sky130_fd_sc_hd__mux2_1)
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0.08 0.43 36.10 v _5548_/X (sky130_fd_sc_hd__mux2_1)
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1 0.01 _0716_ (net)
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0.08 0.00 36.10 v hold898/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.05 0.52 36.62 v hold898/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.00 net1387 (net)
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0.05 0.00 36.62 v hold50/A (sky130_fd_sc_hd__dlymetal6s2s_1)
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0.05 0.16 36.78 v hold50/X (sky130_fd_sc_hd__dlymetal6s2s_1)
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1 0.01 net538 (net)
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0.05 0.00 36.78 v hold899/A (sky130_fd_sc_hd__clkdlybuf4s50_2)
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0.06 0.52 37.30 v hold899/X (sky130_fd_sc_hd__clkdlybuf4s50_2)
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1 0.01 net1388 (net)
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0.06 0.00 37.30 v _7106_/D (sky130_fd_sc_hd__dfrtp_2)
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37.30 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 0.09 wb_clk_i (net)
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0.01 0.01 50.01 ^ clkbuf_0_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.14 0.18 50.18 ^ clkbuf_0_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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8 0.13 clknet_0_wb_clk_i (net)
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0.14 0.01 50.19 ^ clkbuf_3_4__f_wb_clk_i/A (sky130_fd_sc_hd__clkbuf_16)
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0.07 0.17 50.36 ^ clkbuf_3_4__f_wb_clk_i/X (sky130_fd_sc_hd__clkbuf_16)
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10 0.05 clknet_3_4__leaf_wb_clk_i (net)
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0.07 0.00 50.36 ^ _7203_/CLK (sky130_fd_sc_hd__dfrtp_2)
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0.06 0.35 50.71 ^ _7203_/Q (sky130_fd_sc_hd__dfrtp_2)
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1 0.01 wbbd_sck (net)
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0.06 0.00 50.71 ^ clkbuf_0_wbbd_sck/A (sky130_fd_sc_hd__clkbuf_16)
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0.04 0.13 50.83 ^ clkbuf_0_wbbd_sck/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0_wbbd_sck (net)
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0.04 0.00 50.84 ^ clkbuf_1_0__f_wbbd_sck/A (sky130_fd_sc_hd__clkbuf_16)
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0.03 0.10 50.94 ^ clkbuf_1_0__f_wbbd_sck/X (sky130_fd_sc_hd__clkbuf_16)
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1 0.00 clknet_1_0__leaf_wbbd_sck (net)
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0.03 0.00 50.94 ^ _3955_/A2 (sky130_fd_sc_hd__a22o_2)
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0.24 0.27 51.21 ^ _3955_/X (sky130_fd_sc_hd__a22o_2)
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1 0.05 csclk (net)
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0.24 0.00 51.21 ^ clkbuf_0_csclk/A (sky130_fd_sc_hd__clkbuf_16)
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0.20 0.29 51.50 ^ clkbuf_0_csclk/X (sky130_fd_sc_hd__clkbuf_16)
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8 0.19 clknet_0_csclk (net)
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0.20 0.01 51.51 ^ clkbuf_3_6_0_csclk/A (sky130_fd_sc_hd__clkbuf_8)
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0.29 0.34 51.85 ^ clkbuf_3_6_0_csclk/X (sky130_fd_sc_hd__clkbuf_8)
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11 0.17 clknet_3_6_0_csclk (net)
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0.29 0.00 51.85 ^ clkbuf_leaf_36_csclk/A (sky130_fd_sc_hd__clkbuf_16)
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0.09 0.23 52.08 ^ clkbuf_leaf_36_csclk/X (sky130_fd_sc_hd__clkbuf_16)
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19 0.06 clknet_leaf_36_csclk (net)
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0.09 0.00 52.08 ^ _7106_/CLK (sky130_fd_sc_hd__dfrtp_2)
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-0.10 51.98 clock uncertainty
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0.00 51.98 clock reconvergence pessimism
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-0.11 51.87 library setup time
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51.87 data required time
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-----------------------------------------------------------------------------
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51.87 data required time
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-37.30 data arrival time
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-----------------------------------------------------------------------------
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14.57 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.
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