
===========================================================================
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)