smartpreview.twr

Intel微处理器8088的VHDL实现

Asterisk (*) preceding a constraint indicates it was not met.
   This may be due to a setup or hold violation.

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  Constraint                                |  Check  | Worst Case |  Best Case | Timing |   Timing   
                                            |         |    Slack   | Achievable | Errors |    Score   
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* TS_CLOCK_40MHZ = PERIOD TIMEGRP "CLOCK_40 | SETUP   |    -0.847ns|    25.847ns|       5|        3448
  MHZ" 25 ns HIGH 50%                       | HOLD    |     0.896ns|            |       0|           0
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1 constraint not met.