time.tan.summary

数字秒表的设计

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 1.862 ns
From           : ena
To             : cnt:inst1|cqi[3]
From Clock     : 
To Clock       : clk
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 10.857 ns
From           : xianshi:inst7|dout[2]
To             : seg[3]
From Clock     : clk
To Clock       : 
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 31.303 ns
From           : ena
To             : cnt:inst6|cqi[2]
From Clock     : 
To Clock       : clk
Failed Paths   : 0

Type           : Clock Setup: 'clk'
Slack          : N/A
Required Time  : None
Actual Time    : 24.32 MHz ( period = 41.123 ns )
From           : cnt:inst6|cqi[1]
To             : xianshi:inst7|dout[1]
From Clock     : clk
To Clock       : clk
Failed Paths   : 0

Type           : Clock Hold: 'clk'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : cnt:inst6|cqi[0]
To             : cnt:inst6|cqi[0]
From Clock     : clk
To Clock       : clk
Failed Paths   : 27

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 27

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