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📄 pll_top.srr

📁 静态pll实验程序
💻 SRR
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    = Required time:                         9.542

    - Propagation time:                      6.552
    = Slack (critical) :                     2.990

    Number of logic level(s):                4
    Starting point:                          u1.cnt[1] / Q
    Ending point:                            u1.cnt[12] / D
    The start point is clocked by            PLL_top|clk_48M [rising] on pin CLK
    The end   point is clocked by            PLL_top|clk_48M [rising] on pin CLK

Instance / Net                   Pin      Pin               Arrival     No. of    
Name                   Type      Name     Dir     Delay     Time        Fan Out(s)
----------------------------------------------------------------------------------
u1.cnt[1]              DFN1      Q        Out     0.627     0.627       -         
cnt[1]                 Net       -        -       1.007     -           4         
u1.cnt_1.I_16          AND3      B        In      -         1.634       -         
u1.cnt_1.I_16          AND3      Y        Out     0.516     2.150       -         
U1\.DWACT_FINC_E[0]    Net       -        -       1.299     -           7         
u1.cnt_1.I_62          AND3      A        In      -         3.449       -         
u1.cnt_1.I_62          AND3      Y        Out     0.395     3.844       -         
U1\.DWACT_FINC_E[6]    Net       -        -       1.211     -           6         
u1.cnt_1.I_72          NOR2B     B        In      -         5.055       -         
u1.cnt_1.I_72          NOR2B     Y        Out     0.534     5.589       -         
N_22                   Net       -        -       0.274     -           1         
u1.cnt_1.I_73          XOR2      A        In      -         5.862       -         
u1.cnt_1.I_73          XOR2      Y        Out     0.415     6.278       -         
cnt_1[12]              Net       -        -       0.274     -           1         
u1.cnt[12]             DFN1      D        In      -         6.552       -         
==================================================================================
Total path delay (propagation time + setup) of 7.010 is 2.946(42.0%) logic and 4.064(58.0%) route.




====================================
Detailed Report for Clock: ctrl_PLL|cnt_inferred_clock[16]
====================================



Starting Points with Worst Slack
********************************

             Starting                                                       Arrival          
Instance     Reference                           Type     Pin     Net       Time        Slack
             Clock                                                                           
---------------------------------------------------------------------------------------------
u1.dout1     ctrl_PLL|cnt_inferred_clock[16]     DFN1     Q       dout1     0.627       8.557
u1.dout2     ctrl_PLL|cnt_inferred_clock[16]     DFN1     Q       dout2     0.627       8.557
=============================================================================================


Ending Points with Worst Slack
******************************

             Starting                                                       Required          
Instance     Reference                           Type     Pin     Net       Time         Slack
             Clock                                                                            
----------------------------------------------------------------------------------------------
u1.dout2     ctrl_PLL|cnt_inferred_clock[16]     DFN1     D       dout1     9.512        8.557
u1.dout3     ctrl_PLL|cnt_inferred_clock[16]     DFN1     D       dout2     9.512        8.557
==============================================================================================



Worst Path Information
***********************


Path information for path number 1: 
    Requested Period:                        10.000
    - Setup time:                            0.488
    = Required time:                         9.512

    - Propagation time:                      0.955
    = Slack (non-critical) :                 8.557

    Number of logic level(s):                0
    Starting point:                          u1.dout1 / Q
    Ending point:                            u1.dout2 / D
    The start point is clocked by            ctrl_PLL|cnt_inferred_clock[16] [rising] on pin CLK
    The end   point is clocked by            ctrl_PLL|cnt_inferred_clock[16] [rising] on pin CLK

Instance / Net              Pin      Pin               Arrival     No. of    
Name               Type     Name     Dir     Delay     Time        Fan Out(s)
-----------------------------------------------------------------------------
u1.dout1           DFN1     Q        Out     0.627     0.627       -         
dout1              Net      -        -       0.328     -           2         
u1.dout2           DFN1     D        In      -         0.955       -         
=============================================================================
Total path delay (propagation time + setup) of 1.443 is 1.115(77.3%) logic and 0.328(22.7%) route.




====================================
Detailed Report for Clock: ctrl_PLL|key_done_inferred_clock
====================================



Starting Points with Worst Slack
********************************

             Starting                                                            Arrival          
Instance     Reference                            Type     Pin     Net           Time        Slack
             Clock                                                                                
--------------------------------------------------------------------------------------------------
u1.PWN       ctrl_PLL|key_done_inferred_clock     DFN1     Q       POWERDN_c     0.627       7.523
==================================================================================================


Ending Points with Worst Slack
******************************

             Starting                                                              Required          
Instance     Reference                            Type     Pin     Net             Time         Slack
             Clock                                                                                   
-----------------------------------------------------------------------------------------------------
u1.PWN       ctrl_PLL|key_done_inferred_clock     DFN1     D       POWERDN_c_i     9.542        7.523
=====================================================================================================



Worst Path Information
***********************


Path information for path number 1: 
    Requested Period:                        10.000
    - Setup time:                            0.458
    = Required time:                         9.542

    - Propagation time:                      2.019
    = Slack (non-critical) :                 7.523

    Number of logic level(s):                1
    Starting point:                          u1.PWN / Q
    Ending point:                            u1.PWN / D
    The start point is clocked by            ctrl_PLL|key_done_inferred_clock [rising] on pin CLK
    The end   point is clocked by            ctrl_PLL|key_done_inferred_clock [rising] on pin CLK

Instance / Net              Pin      Pin               Arrival     No. of    
Name               Type     Name     Dir     Delay     Time        Fan Out(s)
-----------------------------------------------------------------------------
u1.PWN             DFN1     Q        Out     0.627     0.627       -         
POWERDN_c          Net      -        -       0.686     -           3         
u1.PWN_RNO         INV      A        In      -         1.313       -         
u1.PWN_RNO         INV      Y        Out     0.432     1.745       -         
POWERDN_c_i        Net      -        -       0.274     -           1         
u1.PWN             DFN1     D        In      -         2.019       -         
=============================================================================
Total path delay (propagation time + setup) of 2.477 is 1.517(61.2%) logic and 0.960(38.8%) route.



##### END OF TIMING REPORT #####]

--------------------------------------------------------------------------------
Report for cell PLL_top.verilog
  Core Cell usage:
              cell count     area count*area
              AND2     4      1.0        4.0
              AND3    18      1.0       18.0
               GND     3      0.0        0.0
               INV     2      1.0        2.0
             NOR2B     4      1.0        4.0
             NOR3C     1      1.0        1.0
               PLL     1      0.0        0.0
            PLLINT     1      0.0        0.0
               VCC     3      0.0        0.0
              XOR2    16      1.0       16.0


              DFN1    21      1.0       21.0
                   -----          ----------
             TOTAL    74                66.0


  IO Cell usage:
              cell count
             INBUF     2
            OUTBUF     3
                   -----
             TOTAL     5


Core Cells         : 66 of 13824 (0%)
IO Cells           : 5 of 172 (3%)

  RAM/ROM Usage Summary
Block Rams : 0 of 24 (0%)

Mapper successful!
Process took 0h:00m:02s realtime, 0h:00m:01s cputime
# Mon Nov 24 22:06:18 2008

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