mirror of https://github.com/efabless/caravel.git
193 lines
12 KiB
Plaintext
193 lines
12 KiB
Plaintext
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===========================================================================
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report_checks -unconstrained
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============================================================================
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Startpoint: _417_ (rising edge-triggered flip-flop clocked by ext_clk')
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Endpoint: resetb_sync (output port clocked by ext_clk)
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Path Group: ext_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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12.50 12.50 clock ext_clk' (rise edge)
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0.00 12.50 clock source latency
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5.00 0.00 12.50 v ext_clk (in)
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2 0.01 ext_clk (net)
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5.00 0.00 12.50 v clkbuf_0_ext_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.16 1.54 14.04 v clkbuf_0_ext_clk/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0_ext_clk (net)
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0.16 0.00 14.04 v clkbuf_1_1__f_ext_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.03 0.20 14.24 v clkbuf_1_1__f_ext_clk/X (sky130_fd_sc_hd__clkbuf_16)
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1 0.01 clknet_1_1__leaf_ext_clk (net)
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0.03 0.00 14.24 v _209_/A0 (sky130_fd_sc_hd__mux2_1)
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0.12 0.37 14.61 v _209_/X (sky130_fd_sc_hd__mux2_1)
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1 0.02 _037_ (net)
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0.12 0.00 14.61 v clkbuf_0__037_/A (sky130_fd_sc_hd__clkbuf_16)
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0.04 0.19 14.81 v clkbuf_0__037_/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0__037_ (net)
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0.04 0.00 14.81 v clkbuf_1_0__f__037_/A (sky130_fd_sc_hd__clkbuf_16)
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0.03 0.14 14.95 v clkbuf_1_0__f__037_/X (sky130_fd_sc_hd__clkbuf_16)
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1 0.01 clknet_1_0__leaf__037_ (net)
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0.03 0.00 14.95 v _210_/A0 (sky130_fd_sc_hd__mux2_1)
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0.08 0.33 15.27 v _210_/X (sky130_fd_sc_hd__mux2_1)
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1 0.01 net10 (net)
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0.08 0.00 15.27 v clkbuf_0_net10/A (sky130_fd_sc_hd__clkbuf_16)
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0.03 0.17 15.44 v clkbuf_0_net10/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0_net10 (net)
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0.03 0.00 15.44 v clkbuf_1_1__f_net10/A (sky130_fd_sc_hd__clkbuf_16)
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0.04 0.15 15.60 v clkbuf_1_1__f_net10/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_1_1__leaf_net10 (net)
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0.04 0.00 15.60 v _266__7/A (sky130_fd_sc_hd__inv_4)
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0.02 0.04 15.64 ^ _266__7/Y (sky130_fd_sc_hd__inv_4)
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1 0.00 net37 (net)
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0.02 0.00 15.64 ^ _417_/CLK (sky130_fd_sc_hd__dfstp_1)
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0.03 0.35 15.99 v _417_/Q (sky130_fd_sc_hd__dfstp_1)
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1 0.00 reset_delay[0] (net)
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0.03 0.00 15.99 v _349_/B (sky130_fd_sc_hd__nor2_1)
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0.29 0.25 16.24 ^ _349_/Y (sky130_fd_sc_hd__nor2_1)
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1 0.02 net11 (net)
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0.29 0.00 16.24 ^ output11/A (sky130_fd_sc_hd__buf_12)
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0.24 0.31 16.54 ^ output11/X (sky130_fd_sc_hd__buf_12)
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1 0.20 resetb_sync (net)
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0.24 0.01 16.56 ^ resetb_sync (out)
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16.56 data arrival time
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25.00 25.00 clock ext_clk (rise edge)
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0.00 25.00 clock network delay (propagated)
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-0.20 24.80 clock uncertainty
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0.00 24.80 clock reconvergence pessimism
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-5.00 19.80 output external delay
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19.80 data required time
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-----------------------------------------------------------------------------
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19.80 data required time
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-16.56 data arrival time
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-----------------------------------------------------------------------------
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3.24 slack (MET)
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Startpoint: _428_ (rising edge-triggered flip-flop clocked by pll_clk)
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Endpoint: _435_ (falling edge-triggered flip-flop clocked by pll_clk)
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Path Group: pll_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 pll_clk (rise edge)
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0.00 0.00 clock source latency
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5.00 0.00 0.00 ^ pll_clk (in)
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2 0.02 pll_clk (net)
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5.00 0.00 0.00 ^ clkbuf_0_pll_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.17 0.65 0.65 ^ clkbuf_0_pll_clk/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0_pll_clk (net)
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0.17 0.00 0.65 ^ clkbuf_1_1__f_pll_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.07 0.20 0.85 ^ clkbuf_1_1__f_pll_clk/X (sky130_fd_sc_hd__clkbuf_16)
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13 0.05 clknet_1_1__leaf_pll_clk (net)
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0.07 0.00 0.85 ^ _428_/CLK (sky130_fd_sc_hd__dfrtp_1)
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0.06 0.41 1.26 v _428_/Q (sky130_fd_sc_hd__dfrtp_1)
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2 0.01 divider.odd_0.rst_pulse (net)
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0.06 0.00 1.26 v fanout24/A (sky130_fd_sc_hd__clkbuf_4)
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0.11 0.22 1.48 v fanout24/X (sky130_fd_sc_hd__clkbuf_4)
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12 0.05 net24 (net)
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0.11 0.00 1.48 v fanout23/A (sky130_fd_sc_hd__clkbuf_4)
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0.10 0.23 1.72 v fanout23/X (sky130_fd_sc_hd__clkbuf_4)
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12 0.04 net23 (net)
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0.10 0.00 1.72 v _301_/A (sky130_fd_sc_hd__or2_1)
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0.05 0.26 1.98 v _301_/X (sky130_fd_sc_hd__or2_1)
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1 0.00 _001_ (net)
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0.05 0.00 1.98 v _206_/A0 (sky130_fd_sc_hd__mux2_1)
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0.11 0.37 2.35 v _206_/X (sky130_fd_sc_hd__mux2_1)
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3 0.02 _003_ (net)
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0.11 0.00 2.35 v _368_/S (sky130_fd_sc_hd__mux2_1)
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0.06 0.34 2.69 v _368_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _097_ (net)
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0.06 0.00 2.69 v _435_/D (sky130_fd_sc_hd__dfrtn_1)
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2.69 data arrival time
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3.33 3.33 clock pll_clk (fall edge)
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0.00 3.33 clock source latency
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5.00 0.00 3.33 v pll_clk (in)
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2 0.02 pll_clk (net)
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5.00 0.00 3.33 v clkbuf_0_pll_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.16 1.39 4.73 v clkbuf_0_pll_clk/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0_pll_clk (net)
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0.16 0.00 4.73 v clkbuf_1_0__f_pll_clk/A (sky130_fd_sc_hd__clkbuf_16)
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0.05 0.21 4.94 v clkbuf_1_0__f_pll_clk/X (sky130_fd_sc_hd__clkbuf_16)
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11 0.05 clknet_1_0__leaf_pll_clk (net)
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0.05 0.00 4.94 v _435_/CLK_N (sky130_fd_sc_hd__dfrtn_1)
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-0.20 4.74 clock uncertainty
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0.06 4.80 clock reconvergence pessimism
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-0.15 4.65 library setup time
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4.65 data required time
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-----------------------------------------------------------------------------
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4.65 data required time
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-2.69 data arrival time
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-----------------------------------------------------------------------------
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1.96 slack (MET)
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Startpoint: _453_ (rising edge-triggered flip-flop clocked by pll_clk90)
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Endpoint: _458_ (falling edge-triggered flip-flop clocked by pll_clk90)
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Path Group: pll_clk90
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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 pll_clk90 (rise edge)
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0.00 0.00 clock source latency
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5.00 0.00 0.00 ^ pll_clk90 (in)
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2 0.02 pll_clk90 (net)
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5.00 0.00 0.00 ^ clkbuf_0_pll_clk90/A (sky130_fd_sc_hd__clkbuf_16)
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0.17 0.65 0.65 ^ clkbuf_0_pll_clk90/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0_pll_clk90 (net)
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0.17 0.00 0.65 ^ clkbuf_1_1__f_pll_clk90/A (sky130_fd_sc_hd__clkbuf_16)
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0.07 0.20 0.85 ^ clkbuf_1_1__f_pll_clk90/X (sky130_fd_sc_hd__clkbuf_16)
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12 0.05 clknet_1_1__leaf_pll_clk90 (net)
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0.07 0.00 0.86 ^ _453_/CLK (sky130_fd_sc_hd__dfrtp_1)
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0.08 0.43 1.29 v _453_/Q (sky130_fd_sc_hd__dfrtp_1)
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2 0.01 divider2.odd_0.rst_pulse (net)
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0.08 0.00 1.29 v fanout22/A (sky130_fd_sc_hd__clkbuf_4)
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0.17 0.28 1.56 v fanout22/X (sky130_fd_sc_hd__clkbuf_4)
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24 0.08 net22 (net)
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0.17 0.01 1.57 v fanout21/A (sky130_fd_sc_hd__clkbuf_4)
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0.11 0.28 1.85 v fanout21/X (sky130_fd_sc_hd__clkbuf_4)
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12 0.05 net21 (net)
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0.11 0.00 1.86 v _306_/A (sky130_fd_sc_hd__or2_1)
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0.05 0.26 2.11 v _306_/X (sky130_fd_sc_hd__or2_1)
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1 0.00 _000_ (net)
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0.05 0.00 2.11 v _207_/A0 (sky130_fd_sc_hd__mux2_1)
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0.10 0.36 2.47 v _207_/X (sky130_fd_sc_hd__mux2_1)
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3 0.01 _002_ (net)
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0.10 0.00 2.47 v _395_/S (sky130_fd_sc_hd__mux2_1)
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0.06 0.35 2.81 v _395_/X (sky130_fd_sc_hd__mux2_1)
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1 0.00 _111_ (net)
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0.06 0.00 2.81 v _458_/D (sky130_fd_sc_hd__dfrtn_1)
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2.81 data arrival time
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3.33 3.33 clock pll_clk90 (fall edge)
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0.00 3.33 clock source latency
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5.00 0.00 3.33 v pll_clk90 (in)
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2 0.02 pll_clk90 (net)
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5.00 0.00 3.33 v clkbuf_0_pll_clk90/A (sky130_fd_sc_hd__clkbuf_16)
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0.16 1.39 4.73 v clkbuf_0_pll_clk90/X (sky130_fd_sc_hd__clkbuf_16)
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2 0.02 clknet_0_pll_clk90 (net)
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0.16 0.00 4.73 v clkbuf_1_0__f_pll_clk90/A (sky130_fd_sc_hd__clkbuf_16)
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0.05 0.20 4.93 v clkbuf_1_0__f_pll_clk90/X (sky130_fd_sc_hd__clkbuf_16)
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8 0.04 clknet_1_0__leaf_pll_clk90 (net)
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0.05 0.00 4.94 v _458_/CLK_N (sky130_fd_sc_hd__dfrtn_1)
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-0.20 4.74 clock uncertainty
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0.06 4.80 clock reconvergence pessimism
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-0.16 4.64 library setup time
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4.64 data required time
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-----------------------------------------------------------------------------
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4.64 data required time
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-2.81 data arrival time
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-----------------------------------------------------------------------------
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1.83 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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