blob: 776041e222f7025217022240ca42157fd806d993 [file] [log] [blame]
===========================================================================
report_checks -unconstrained
============================================================================
Startpoint: _7909_ (rising edge-triggered flip-flop clocked by i_clk)
Endpoint: _8232_ (rising edge-triggered flip-flop clocked by i_clk)
Path Group: i_clk
Path Type: max
Fanout Cap Slew Delay Time Description
-----------------------------------------------------------------------------
0.00 0.00 clock i_clk (rise edge)
0.00 0.00 clock source latency
0.31 0.23 0.23 ^ i_clk (in)
2 0.07 i_clk (net)
0.31 0.00 0.23 ^ clkbuf_0_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.06 0.23 0.47 ^ clkbuf_0_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
4 0.04 clknet_0_i_clk (net)
0.06 0.00 0.47 ^ clkbuf_1_0_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.08 0.17 0.64 ^ clkbuf_1_0_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.04 clknet_1_0_0_i_clk (net)
0.08 0.00 0.64 ^ clkbuf_2_1_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.06 0.16 0.80 ^ clkbuf_2_1_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.03 clknet_2_1_0_i_clk (net)
0.06 0.00 0.81 ^ clkbuf_3_3_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.22 0.27 1.08 ^ clkbuf_3_3_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
18 0.13 clknet_3_3_0_i_clk (net)
0.22 0.00 1.08 ^ clkbuf_leaf_7_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.05 0.20 1.28 ^ clkbuf_leaf_7_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
7 0.02 clknet_leaf_7_i_clk (net)
0.05 0.00 1.28 ^ _7909_/CLK (sky130_fd_sc_hd__dfxtp_1)
0.05 0.33 1.61 v _7909_/Q (sky130_fd_sc_hd__dfxtp_1)
3 0.01 decode.oc_r_reg_sel[0] (net)
0.05 0.00 1.61 v _3848_/A (sky130_fd_sc_hd__buf_2)
0.10 0.20 1.82 v _3848_/X (sky130_fd_sc_hd__buf_2)
10 0.04 _0505_ (net)
0.10 0.00 1.82 v _3856_/B (sky130_fd_sc_hd__and3b_1)
0.04 0.19 2.01 v _3856_/X (sky130_fd_sc_hd__and3b_1)
1 0.00 _0513_ (net)
0.04 0.00 2.01 v _3857_/A (sky130_fd_sc_hd__clkbuf_4)
0.15 0.25 2.25 v _3857_/X (sky130_fd_sc_hd__clkbuf_4)
20 0.08 _0514_ (net)
0.15 0.00 2.26 v _3982_/B1 (sky130_fd_sc_hd__a22o_1)
0.07 0.26 2.52 v _3982_/X (sky130_fd_sc_hd__a22o_1)
1 0.01 _0628_ (net)
0.07 0.00 2.52 v _3989_/A1 (sky130_fd_sc_hd__o32ai_4)
1.43 1.24 3.75 ^ _3989_/Y (sky130_fd_sc_hd__o32ai_4)
16 0.15 _0635_ (net)
1.43 0.03 3.78 ^ _3990_/A (sky130_fd_sc_hd__clkinv_4)
0.40 0.48 4.26 v _3990_/Y (sky130_fd_sc_hd__clkinv_4)
8 0.09 net244 (net)
0.40 0.00 4.26 v _5097_/A1 (sky130_fd_sc_hd__mux2_2)
0.11 0.51 4.78 v _5097_/X (sky130_fd_sc_hd__mux2_2)
6 0.03 _1550_ (net)
0.11 0.00 4.78 v _5098_/A (sky130_fd_sc_hd__buf_4)
0.12 0.26 5.04 v _5098_/X (sky130_fd_sc_hd__buf_4)
20 0.09 _1551_ (net)
0.12 0.01 5.05 v _5618_/A2 (sky130_fd_sc_hd__a31o_1)
0.05 0.26 5.31 v _5618_/X (sky130_fd_sc_hd__a31o_1)
2 0.01 _1959_ (net)
0.05 0.00 5.31 v _5620_/B1 (sky130_fd_sc_hd__a21o_1)
0.05 0.18 5.49 v _5620_/X (sky130_fd_sc_hd__a21o_1)
2 0.01 _1961_ (net)
0.05 0.00 5.49 v _5622_/A2 (sky130_fd_sc_hd__a21o_1)
0.06 0.21 5.70 v _5622_/X (sky130_fd_sc_hd__a21o_1)
3 0.01 _1963_ (net)
0.06 0.00 5.70 v _5636_/A2 (sky130_fd_sc_hd__a21o_1)
0.05 0.21 5.91 v _5636_/X (sky130_fd_sc_hd__a21o_1)
3 0.01 _1977_ (net)
0.05 0.00 5.91 v _5644_/C (sky130_fd_sc_hd__and3_1)
0.07 0.22 6.13 v _5644_/X (sky130_fd_sc_hd__and3_1)
3 0.01 _1985_ (net)
0.07 0.00 6.13 v _5678_/A (sky130_fd_sc_hd__or4_2)
0.15 0.78 6.91 v _5678_/X (sky130_fd_sc_hd__or4_2)
4 0.02 _2019_ (net)
0.15 0.00 6.91 v _5837_/A1 (sky130_fd_sc_hd__a211oi_1)
0.32 0.36 7.27 ^ _5837_/Y (sky130_fd_sc_hd__a211oi_1)
2 0.01 _2178_ (net)
0.32 0.00 7.27 ^ _5838_/C (sky130_fd_sc_hd__nor3_2)
0.09 0.13 7.40 v _5838_/Y (sky130_fd_sc_hd__nor3_2)
4 0.02 _2179_ (net)
0.09 0.00 7.40 v _5888_/B1 (sky130_fd_sc_hd__a211oi_1)
0.37 0.39 7.79 ^ _5888_/Y (sky130_fd_sc_hd__a211oi_1)
3 0.01 _2229_ (net)
0.37 0.00 7.79 ^ _5891_/A1 (sky130_fd_sc_hd__o211ai_1)
0.11 0.18 7.97 v _5891_/Y (sky130_fd_sc_hd__o211ai_1)
2 0.01 _2232_ (net)
0.11 0.00 7.97 v _5926_/B (sky130_fd_sc_hd__and3_1)
0.07 0.24 8.21 v _5926_/X (sky130_fd_sc_hd__and3_1)
4 0.01 _2267_ (net)
0.07 0.00 8.21 v _5928_/A (sky130_fd_sc_hd__nor2_1)
0.27 0.26 8.48 ^ _5928_/Y (sky130_fd_sc_hd__nor2_1)
3 0.01 _2269_ (net)
0.27 0.00 8.48 ^ _6121_/A1 (sky130_fd_sc_hd__a41o_1)
0.26 0.38 8.86 ^ _6121_/X (sky130_fd_sc_hd__a41o_1)
8 0.03 _2462_ (net)
0.26 0.00 8.86 ^ _6279_/A2 (sky130_fd_sc_hd__a21oi_1)
0.09 0.12 8.98 v _6279_/Y (sky130_fd_sc_hd__a21oi_1)
1 0.00 _2620_ (net)
0.09 0.00 8.98 v _6339_/A1 (sky130_fd_sc_hd__o311a_2)
0.15 0.55 9.53 v _6339_/X (sky130_fd_sc_hd__o311a_2)
4 0.04 _2680_ (net)
0.15 0.01 9.54 v _6383_/B1 (sky130_fd_sc_hd__a211o_4)
0.11 0.44 9.98 v _6383_/X (sky130_fd_sc_hd__a211o_4)
10 0.05 _2724_ (net)
0.11 0.00 9.98 v _6829_/B1 (sky130_fd_sc_hd__a22o_4)
0.11 0.34 10.32 v _6829_/X (sky130_fd_sc_hd__a22o_4)
6 0.07 _3151_ (net)
0.11 0.01 10.33 v _7644_/B2 (sky130_fd_sc_hd__a2bb2o_1)
0.06 0.29 10.61 v _7644_/X (sky130_fd_sc_hd__a2bb2o_1)
1 0.00 _3756_ (net)
0.06 0.00 10.61 v _7645_/A1 (sky130_fd_sc_hd__mux2_1)
0.12 0.39 11.01 v _7645_/X (sky130_fd_sc_hd__mux2_1)
2 0.02 _3757_ (net)
0.12 0.00 11.01 v _7646_/A0 (sky130_fd_sc_hd__mux2_1)
0.06 0.32 11.33 v _7646_/X (sky130_fd_sc_hd__mux2_1)
1 0.00 _3758_ (net)
0.06 0.00 11.33 v _7647_/A (sky130_fd_sc_hd__clkbuf_1)
0.03 0.10 11.43 v _7647_/X (sky130_fd_sc_hd__clkbuf_1)
1 0.00 _0462_ (net)
0.03 0.00 11.43 v _8232_/D (sky130_fd_sc_hd__dfxtp_1)
11.43 data arrival time
10.00 10.00 clock i_clk (rise edge)
0.00 10.00 clock source latency
0.31 0.21 10.21 ^ i_clk (in)
2 0.07 i_clk (net)
0.31 0.00 10.21 ^ clkbuf_0_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.06 0.21 10.42 ^ clkbuf_0_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
4 0.04 clknet_0_i_clk (net)
0.06 0.00 10.42 ^ clkbuf_1_1_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.08 0.16 10.58 ^ clkbuf_1_1_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.04 clknet_1_1_0_i_clk (net)
0.08 0.00 10.58 ^ clkbuf_2_2_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.07 0.15 10.73 ^ clkbuf_2_2_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.03 clknet_2_2_0_i_clk (net)
0.07 0.00 10.73 ^ clkbuf_3_5_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.35 0.33 11.07 ^ clkbuf_3_5_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
30 0.20 clknet_3_5_0_i_clk (net)
0.35 0.01 11.07 ^ clkbuf_leaf_58_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.05 0.20 11.28 ^ clkbuf_leaf_58_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
6 0.02 clknet_leaf_58_i_clk (net)
0.05 0.00 11.28 ^ _8232_/CLK (sky130_fd_sc_hd__dfxtp_1)
-0.25 11.03 clock uncertainty
0.04 11.07 clock reconvergence pessimism
-0.10 10.97 library setup time
10.97 data required time
-----------------------------------------------------------------------------
10.97 data required time
-11.43 data arrival time
-----------------------------------------------------------------------------
-0.46 slack (VIOLATED)
===========================================================================
report_checks --slack_max -0.01
============================================================================
Startpoint: _7909_ (rising edge-triggered flip-flop clocked by i_clk)
Endpoint: _8232_ (rising edge-triggered flip-flop clocked by i_clk)
Path Group: i_clk
Path Type: max
Fanout Cap Slew Delay Time Description
-----------------------------------------------------------------------------
0.00 0.00 clock i_clk (rise edge)
0.00 0.00 clock source latency
0.31 0.23 0.23 ^ i_clk (in)
2 0.07 i_clk (net)
0.31 0.00 0.23 ^ clkbuf_0_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.06 0.23 0.47 ^ clkbuf_0_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
4 0.04 clknet_0_i_clk (net)
0.06 0.00 0.47 ^ clkbuf_1_0_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.08 0.17 0.64 ^ clkbuf_1_0_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.04 clknet_1_0_0_i_clk (net)
0.08 0.00 0.64 ^ clkbuf_2_1_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.06 0.16 0.80 ^ clkbuf_2_1_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.03 clknet_2_1_0_i_clk (net)
0.06 0.00 0.81 ^ clkbuf_3_3_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.22 0.27 1.08 ^ clkbuf_3_3_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
18 0.13 clknet_3_3_0_i_clk (net)
0.22 0.00 1.08 ^ clkbuf_leaf_7_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.05 0.20 1.28 ^ clkbuf_leaf_7_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
7 0.02 clknet_leaf_7_i_clk (net)
0.05 0.00 1.28 ^ _7909_/CLK (sky130_fd_sc_hd__dfxtp_1)
0.05 0.33 1.61 v _7909_/Q (sky130_fd_sc_hd__dfxtp_1)
3 0.01 decode.oc_r_reg_sel[0] (net)
0.05 0.00 1.61 v _3848_/A (sky130_fd_sc_hd__buf_2)
0.10 0.20 1.82 v _3848_/X (sky130_fd_sc_hd__buf_2)
10 0.04 _0505_ (net)
0.10 0.00 1.82 v _3856_/B (sky130_fd_sc_hd__and3b_1)
0.04 0.19 2.01 v _3856_/X (sky130_fd_sc_hd__and3b_1)
1 0.00 _0513_ (net)
0.04 0.00 2.01 v _3857_/A (sky130_fd_sc_hd__clkbuf_4)
0.15 0.25 2.25 v _3857_/X (sky130_fd_sc_hd__clkbuf_4)
20 0.08 _0514_ (net)
0.15 0.00 2.26 v _3982_/B1 (sky130_fd_sc_hd__a22o_1)
0.07 0.26 2.52 v _3982_/X (sky130_fd_sc_hd__a22o_1)
1 0.01 _0628_ (net)
0.07 0.00 2.52 v _3989_/A1 (sky130_fd_sc_hd__o32ai_4)
1.43 1.24 3.75 ^ _3989_/Y (sky130_fd_sc_hd__o32ai_4)
16 0.15 _0635_ (net)
1.43 0.03 3.78 ^ _3990_/A (sky130_fd_sc_hd__clkinv_4)
0.40 0.48 4.26 v _3990_/Y (sky130_fd_sc_hd__clkinv_4)
8 0.09 net244 (net)
0.40 0.00 4.26 v _5097_/A1 (sky130_fd_sc_hd__mux2_2)
0.11 0.51 4.78 v _5097_/X (sky130_fd_sc_hd__mux2_2)
6 0.03 _1550_ (net)
0.11 0.00 4.78 v _5098_/A (sky130_fd_sc_hd__buf_4)
0.12 0.26 5.04 v _5098_/X (sky130_fd_sc_hd__buf_4)
20 0.09 _1551_ (net)
0.12 0.01 5.05 v _5618_/A2 (sky130_fd_sc_hd__a31o_1)
0.05 0.26 5.31 v _5618_/X (sky130_fd_sc_hd__a31o_1)
2 0.01 _1959_ (net)
0.05 0.00 5.31 v _5620_/B1 (sky130_fd_sc_hd__a21o_1)
0.05 0.18 5.49 v _5620_/X (sky130_fd_sc_hd__a21o_1)
2 0.01 _1961_ (net)
0.05 0.00 5.49 v _5622_/A2 (sky130_fd_sc_hd__a21o_1)
0.06 0.21 5.70 v _5622_/X (sky130_fd_sc_hd__a21o_1)
3 0.01 _1963_ (net)
0.06 0.00 5.70 v _5636_/A2 (sky130_fd_sc_hd__a21o_1)
0.05 0.21 5.91 v _5636_/X (sky130_fd_sc_hd__a21o_1)
3 0.01 _1977_ (net)
0.05 0.00 5.91 v _5644_/C (sky130_fd_sc_hd__and3_1)
0.07 0.22 6.13 v _5644_/X (sky130_fd_sc_hd__and3_1)
3 0.01 _1985_ (net)
0.07 0.00 6.13 v _5678_/A (sky130_fd_sc_hd__or4_2)
0.15 0.78 6.91 v _5678_/X (sky130_fd_sc_hd__or4_2)
4 0.02 _2019_ (net)
0.15 0.00 6.91 v _5837_/A1 (sky130_fd_sc_hd__a211oi_1)
0.32 0.36 7.27 ^ _5837_/Y (sky130_fd_sc_hd__a211oi_1)
2 0.01 _2178_ (net)
0.32 0.00 7.27 ^ _5838_/C (sky130_fd_sc_hd__nor3_2)
0.09 0.13 7.40 v _5838_/Y (sky130_fd_sc_hd__nor3_2)
4 0.02 _2179_ (net)
0.09 0.00 7.40 v _5888_/B1 (sky130_fd_sc_hd__a211oi_1)
0.37 0.39 7.79 ^ _5888_/Y (sky130_fd_sc_hd__a211oi_1)
3 0.01 _2229_ (net)
0.37 0.00 7.79 ^ _5891_/A1 (sky130_fd_sc_hd__o211ai_1)
0.11 0.18 7.97 v _5891_/Y (sky130_fd_sc_hd__o211ai_1)
2 0.01 _2232_ (net)
0.11 0.00 7.97 v _5926_/B (sky130_fd_sc_hd__and3_1)
0.07 0.24 8.21 v _5926_/X (sky130_fd_sc_hd__and3_1)
4 0.01 _2267_ (net)
0.07 0.00 8.21 v _5928_/A (sky130_fd_sc_hd__nor2_1)
0.27 0.26 8.48 ^ _5928_/Y (sky130_fd_sc_hd__nor2_1)
3 0.01 _2269_ (net)
0.27 0.00 8.48 ^ _6121_/A1 (sky130_fd_sc_hd__a41o_1)
0.26 0.38 8.86 ^ _6121_/X (sky130_fd_sc_hd__a41o_1)
8 0.03 _2462_ (net)
0.26 0.00 8.86 ^ _6279_/A2 (sky130_fd_sc_hd__a21oi_1)
0.09 0.12 8.98 v _6279_/Y (sky130_fd_sc_hd__a21oi_1)
1 0.00 _2620_ (net)
0.09 0.00 8.98 v _6339_/A1 (sky130_fd_sc_hd__o311a_2)
0.15 0.55 9.53 v _6339_/X (sky130_fd_sc_hd__o311a_2)
4 0.04 _2680_ (net)
0.15 0.01 9.54 v _6383_/B1 (sky130_fd_sc_hd__a211o_4)
0.11 0.44 9.98 v _6383_/X (sky130_fd_sc_hd__a211o_4)
10 0.05 _2724_ (net)
0.11 0.00 9.98 v _6829_/B1 (sky130_fd_sc_hd__a22o_4)
0.11 0.34 10.32 v _6829_/X (sky130_fd_sc_hd__a22o_4)
6 0.07 _3151_ (net)
0.11 0.01 10.33 v _7644_/B2 (sky130_fd_sc_hd__a2bb2o_1)
0.06 0.29 10.61 v _7644_/X (sky130_fd_sc_hd__a2bb2o_1)
1 0.00 _3756_ (net)
0.06 0.00 10.61 v _7645_/A1 (sky130_fd_sc_hd__mux2_1)
0.12 0.39 11.01 v _7645_/X (sky130_fd_sc_hd__mux2_1)
2 0.02 _3757_ (net)
0.12 0.00 11.01 v _7646_/A0 (sky130_fd_sc_hd__mux2_1)
0.06 0.32 11.33 v _7646_/X (sky130_fd_sc_hd__mux2_1)
1 0.00 _3758_ (net)
0.06 0.00 11.33 v _7647_/A (sky130_fd_sc_hd__clkbuf_1)
0.03 0.10 11.43 v _7647_/X (sky130_fd_sc_hd__clkbuf_1)
1 0.00 _0462_ (net)
0.03 0.00 11.43 v _8232_/D (sky130_fd_sc_hd__dfxtp_1)
11.43 data arrival time
10.00 10.00 clock i_clk (rise edge)
0.00 10.00 clock source latency
0.31 0.21 10.21 ^ i_clk (in)
2 0.07 i_clk (net)
0.31 0.00 10.21 ^ clkbuf_0_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.06 0.21 10.42 ^ clkbuf_0_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
4 0.04 clknet_0_i_clk (net)
0.06 0.00 10.42 ^ clkbuf_1_1_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.08 0.16 10.58 ^ clkbuf_1_1_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.04 clknet_1_1_0_i_clk (net)
0.08 0.00 10.58 ^ clkbuf_2_2_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.07 0.15 10.73 ^ clkbuf_2_2_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
4 0.03 clknet_2_2_0_i_clk (net)
0.07 0.00 10.73 ^ clkbuf_3_5_0_i_clk/A (sky130_fd_sc_hd__clkbuf_8)
0.35 0.33 11.07 ^ clkbuf_3_5_0_i_clk/X (sky130_fd_sc_hd__clkbuf_8)
30 0.20 clknet_3_5_0_i_clk (net)
0.35 0.01 11.07 ^ clkbuf_leaf_58_i_clk/A (sky130_fd_sc_hd__clkbuf_16)
0.05 0.20 11.28 ^ clkbuf_leaf_58_i_clk/X (sky130_fd_sc_hd__clkbuf_16)
6 0.02 clknet_leaf_58_i_clk (net)
0.05 0.00 11.28 ^ _8232_/CLK (sky130_fd_sc_hd__dfxtp_1)
-0.25 11.03 clock uncertainty
0.04 11.07 clock reconvergence pessimism
-0.10 10.97 library setup time
10.97 data required time
-----------------------------------------------------------------------------
10.97 data required time
-11.43 data arrival time
-----------------------------------------------------------------------------
-0.46 slack (VIOLATED)