cnt_4b.tan.summary

很多vhdl例程代码

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 0.105 ns
From           : key2
To             : cnt_4b:inst|cnt[3]
From Clock     : 
To Clock       : clock_48M
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 16.271 ns
From           : cnt_4b:inst|cnt[1]
To             : led8
From Clock     : clock_48M
To Clock       : 
Failed Paths   : 0

Type           : Worst-case tpd
Slack          : N/A
Required Time  : None
Actual Time    : 12.018 ns
From           : key2
To             : led2
From Clock     : 
To Clock       : 
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 0.147 ns
From           : key2
To             : cnt_4b:inst|cnt[3]
From Clock     : 
To Clock       : clock_48M
Failed Paths   : 0

Type           : Clock Setup: 'clock_48M'
Slack          : 12.805 ns
Required Time  : 50.00 MHz ( period = 20.000 ns )
Actual Time    : 138.99 MHz ( period = 7.195 ns )
From           : int_div:inst14|Counter[10]
To             : int_div:inst14|Counter[11]
From Clock     : clock_48M
To Clock       : clock_48M
Failed Paths   : 0

Type           : Clock Setup: 'int_div:inst14|ClockOut'
Slack          : 17.618 ns
Required Time  : 50.00 MHz ( period = 20.000 ns )
Actual Time    : Restricted to 275.03 MHz ( period = 3.636 ns )
From           : cnt_4b:inst|cnt[0]
To             : cnt_4b:inst|cnt[3]
From Clock     : int_div:inst14|ClockOut
To Clock       : int_div:inst14|ClockOut
Failed Paths   : 0

Type           : Clock Setup: 'key1'
Slack          : N/A
Required Time  : None
Actual Time    : Restricted to 275.03 MHz ( period = 3.636 ns )
From           : inst5
To             : inst5
From Clock     : key1
To Clock       : key1
Failed Paths   : 0

Type           : Clock Hold: 'int_div:inst14|ClockOut'
Slack          : 1.380 ns
Required Time  : 50.00 MHz ( period = 20.000 ns )
Actual Time    : N/A
From           : cnt_4b:inst|cnt[2]
To             : cnt_4b:inst|cnt[2]
From Clock     : int_div:inst14|ClockOut
To Clock       : int_div:inst14|ClockOut
Failed Paths   : 0

Type           : Clock Hold: 'clock_48M'
Slack          : 1.652 ns
Required Time  : 50.00 MHz ( period = 20.000 ns )
Actual Time    : N/A
From           : int_div:inst14|Counter[25]
To             : int_div:inst14|Counter[25]
From Clock     : clock_48M
To Clock       : clock_48M
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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