delay.tan.summary

在Quartus下使用D触发器来加入延迟

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 4.019 ns
From           : Din[3]
To             : de:comb_4|out[3]
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 7.343 ns
From           : de:comb_12|out[5]
To             : Dout[5]
From Clock     : clk
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 0.250 ns
From           : Din[7]
To             : de:comb_4|out[7]
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Clock Setup: 'clk'
Slack          : N/A
Required Time  : None
Actual Time    : Restricted to 420.17 MHz ( period = 2.380 ns )
From           : de:comb_6|out[6]
To             : de:comb_7|out[6]
From Clock     : clk
To Clock       : clk
Failed Paths   : 0

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 0

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