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📄 stopwatch.srr

📁 Xilinx ISE 官方源代码盘第九章
💻 SRR
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====================================
Detailed Report for Clock: stopwatch|rst_int_inferred_clock
====================================



Starting Points with worst slack 
********************************

                                                         Arrival          
Instance                    Type     Pin     Net         Time        Slack
                                                                          
--------------------------------------------------------------------------
XLXI_12.I5.I_Q1.I_36_35     FDCE     Q       ones[1]     1.535       0.884
XLXI_12.I6.I_Q1             FDCE     Q       tens[1]     1.508       0.912
XLXI_12.I6.I_Q3             FDCE     Q       tens[3]     1.479       0.941
XLXI_12.I5.I_Q3.I_36_35     FDCE     Q       ones[3]     1.412       1.007
XLXI_12.I6.I_Q0             FDCE     Q       tens[0]     1.561       1.566
XLXI_12.I5.I_Q0.I_36_35     FDCE     Q       ones[0]     1.535       1.591
XLXI_12.I5.I_Q2.I_36_35     FDCE     Q       ones[2]     1.479       1.648
XLXI_12.I6.I_Q2             FDCE     Q       tens[2]     1.479       1.648
XLXI_12.I5.I_Q1.I_36_32     XOR2     O       TQ          0.000       9.707
XLXI_12.I5.I_Q2.I_36_32     XOR2     O       TQ          0.000       9.707
==========================================================================


Ending Points with worst slack 
******************************

                                                        Required          
Instance         Type     Pin            Net            Time         Slack
                                                                          
--------------------------------------------------------------------------
onesout[6:0]     Port     onesout[3]     onesout[3]     10.000       0.884
tensout[6:0]     Port     tensout[3]     tensout[3]     10.000       0.912
tensout[6:0]     Port     tensout[2]     tensout[2]     10.000       1.566
tensout[6:0]     Port     tensout[5]     tensout[5]     10.000       1.566
tensout[6:0]     Port     tensout[6]     tensout[6]     10.000       1.566
onesout[6:0]     Port     onesout[0]     onesout[0]     10.000       1.591
onesout[6:0]     Port     onesout[1]     onesout[1]     10.000       1.591
onesout[6:0]     Port     onesout[2]     onesout[2]     10.000       1.591
onesout[6:0]     Port     onesout[5]     onesout[5]     10.000       1.591
onesout[6:0]     Port     onesout[6]     onesout[6]     10.000       1.591
==========================================================================



Worst Paths Information
***********************


Path information for path number 1: 
    - User constraint on ending point:    0.000
    = Required time:                      10.000

    - Propagation  time:                  9.116
    = Slack (critical) :                  0.884

    Starting point:                       XLXI_12.I5.I_Q1.I_36_35 / Q
    Ending point:                         onesout[6:0] / onesout[3]
    The start point is clocked by         stopwatch|rst_int_inferred_clock [rising] on pin C
    The end   point is clocked by         clk [rising]

Instance / Net                       Pin            Pin               Arrival     Fan
Name                        Type     Name           Dir     Delay     Time        Out
-------------------------------------------------------------------------------------
XLXI_12.I5.I_Q1.I_36_35     FDCE     Q              Out     1.535     1.535          
ones[1]                     Net                                                   15 
XLXI_13.G_80                LUT2     I1             In                1.535          
XLXI_13.G_80                LUT2     O              Out     0.868     2.403          
N_76                        Net                                                   3  
XLXI_13.N_53_i_0_11         LUT4     I0             In                2.403          
XLXI_13.N_53_i_0_11         LUT4     O              Out     0.707     3.110          
N_53_i_0_11                 Net                                                   1  
XLXI_13.N_53_i_0            LUT4     I0             In                3.110          
XLXI_13.N_53_i_0            LUT4     O              Out     0.707     3.817          
onesout_c[3]                Net                                                   1  
onesout_obuf[3]             OBUF     I              In                3.817          
onesout_obuf[3]             OBUF     O              Out     5.299     9.116          
onesout[3]                  Net                                                   1  
onesout[6:0]                Port     onesout[3]     Out               9.116          
=====================================================================================


Path information for path number 2: 
    - User constraint on ending point:    0.000
    = Required time:                      10.000

    - Propagation  time:                  9.088
    = Slack (non-critical) :              0.912

    Starting point:                       XLXI_12.I6.I_Q1 / Q
    Ending point:                         tensout[6:0] / tensout[3]
    The start point is clocked by         stopwatch|rst_int_inferred_clock [rising] on pin C
    The end   point is clocked by         clk [rising]

Instance / Net                   Pin            Pin               Arrival     Fan
Name                    Type     Name           Dir     Delay     Time        Out
---------------------------------------------------------------------------------
XLXI_12.I6.I_Q1         FDCE     Q              Out     1.508     1.508          
tens[1]                 Net                                                   14 
XLXI_14.G_80            LUT2     I0             In                1.508          
XLXI_14.G_80            LUT2     O              Out     0.868     2.375          
N_76                    Net                                                   3  
XLXI_14.N_53_i_0_12     LUT4     I0             In                2.375          
XLXI_14.N_53_i_0_12     LUT4     O              Out     0.707     3.082          
N_53_i_0_12             Net                                                   1  
XLXI_14.N_53_i_0        LUT4     I0             In                3.082          
XLXI_14.N_53_i_0        LUT4     O              Out     0.707     3.789          
tensout_c[3]            Net                                                   1  
tensout_obuf[3]         OBUF     I              In                3.789          
tensout_obuf[3]         OBUF     O              Out     5.299     9.088          
tensout[3]              Net                                                   1  
tensout[6:0]            Port     tensout[3]     Out               9.088          
=================================================================================


Path information for path number 3: 
    - User constraint on ending point:    0.000
    = Required time:                      10.000

    - Propagation  time:                  9.059
    = Slack (non-critical) :              0.941

    Starting point:                       XLXI_12.I6.I_Q3 / Q
    Ending point:                         tensout[6:0] / tensout[3]
    The start point is clocked by         stopwatch|rst_int_inferred_clock [rising] on pin C
    The end   point is clocked by         clk [rising]

Instance / Net                   Pin            Pin               Arrival     Fan
Name                    Type     Name           Dir     Delay     Time        Out
---------------------------------------------------------------------------------
XLXI_12.I6.I_Q3         FDCE     Q              Out     1.479     1.479          
tens[3]                 Net                                                   13 
XLXI_14.G_80            LUT2     I1             In                1.479          
XLXI_14.G_80            LUT2     O              Out     0.868     2.346          
N_76                    Net                                                   3  
XLXI_14.N_53_i_0_12     LUT4     I0             In                2.346          
XLXI_14.N_53_i_0_12     LUT4     O              Out     0.707     3.053          
N_53_i_0_12             Net                                                   1  
XLXI_14.N_53_i_0        LUT4     I0             In                3.053          
XLXI_14.N_53_i_0        LUT4     O              Out     0.707     3.760          
tensout_c[3]            Net                                                   1  
tensout_obuf[3]         OBUF     I              In                3.760          
tensout_obuf[3]         OBUF     O              Out     5.299     9.059          
tensout[3]              Net                                                   1  
tensout[6:0]            Port     tensout[3]     Out               9.059          
=================================================================================


Path information for path number 4: 
    - User constraint on ending point:    0.000
    = Required time:                      10.000

    - Propagation  time:                  9.021
    = Slack (non-critical) :              0.979

    Starting point:                       XLXI_12.I5.I_Q1.I_36_35 / Q
    Ending point:                         onesout[6:0] / onesout[3]
    The start point is clocked by         stopwatch|rst_int_inferred_clock [rising] on pin C
    The end   point is clocked by         clk [rising]

Instance / Net                       Pin            Pin               Arrival     Fan
Name                        Type     Name           Dir     Delay     Time        Out
-------------------------------------------------------------------------------------
XLXI_12.I5.I_Q1.I_36_35     FDCE     Q              Out     1.535     1.535          
ones[1]                     Net                                                   15 
XLXI_13.G_73                LUT2     I1             In                1.535          
XLXI_13.G_73                LUT2     O              Out     0.772     2.308          
N_101                       Net                                                   2  
XLXI_13.N_53_i_0_11         LUT4     I1             In                2.308          
XLXI_13.N_53_i_0_11         LUT4     O              Out     0.707     3.015          
N_53_i_0_11                 Net                                                   1  
XLXI_13.N_53_i_0            LUT4     I0             In                3.015          
XLXI_13.N_53_i_0            LUT4     O              Out     0.707     3.722          
onesout_c[3]                Net                                                   1  
onesout_obuf[3]             OBUF     I              In                3.722          
onesout_obuf[3]             OBUF     O              Out     5.299     9.021          
onesout[3]                  Net                                                   1  
onesout[6:0]                Port     onesout[3]     Out               9.021          
=====================================================================================


Path information for path number 5: 
    - User constraint on ending point:    0.000
    = Required time:                      10.000

    - Propagation  time:                  8.993
    = Slack (non-critical) :              1.007

    Starting point:                       XLXI_12.I6.I_Q1 / Q
    Ending point:                         tensout[6:0] / tensout[3]
    The start point is clocked by         stopwatch|rst_int_inferred_clock [rising] on pin C
    The end   point is clocked by         clk [rising]

Instance / Net                   Pin            Pin               Arrival     Fan
Name                    Type     Name           Dir     Delay     Time        Out
---------------------------------------------------------------------------------
XLXI_12.I6.I_Q1         FDCE     Q              Out     1.508     1.508          
tens[1]                 Net                                                   14 
XLXI_14.G_73            LUT2     I0             In                1.508          
XLXI_14.G_73            LUT2     O              Out     0.772     2.280          
N_101                   Net                                                   2  
XLXI_14.N_53_i_0_12     LUT4     I1             In                2.280          
XLXI_14.N_53_i_0_12     LUT4     O              Out     0.707     2.987          
N_53_i_0_12             Net                                                   1  
XLXI_14.N_53_i_0        LUT4     I0             In                2.987          
XLXI_14.N_53_i_0        LUT4     O              Out     0.707     3.694          
tensout_c[3]            Net                                                   1  
tensout_obuf[3]         OBUF     I              In                3.694          
tensout_obuf[3]         OBUF     O              Out     5.299     8.993          
tensout[3]              Net                                                   1  
tensout[6:0]            Port     tensout[3]    

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