freq2.tan.summary

一个基于quartus2的等精度频率计的设计

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 0.114 ns
From           : Gate
To             : inst4
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 18.123 ns
From           : BZ_block:inst3|temp[6]
To             : OUT[6]
From Clock     : fpgaclk
To Clock       : --
Failed Paths   : 0

Type           : Worst-case tpd
Slack          : N/A
Required Time  : None
Actual Time    : 16.292 ns
From           : Sel[1]
To             : OUT[2]
From Clock     : --
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : -0.062 ns
From           : Gate
To             : inst4
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Clock Setup: 'fpgaclk'
Slack          : 0.509 ns
Required Time  : 250.00 MHz ( period = 4.000 ns )
Actual Time    : Restricted to 275.03 MHz ( period = 3.636 ns )
From           : BZ_block:inst3|temp[3]
To             : BZ_block:inst3|temp[22]
From Clock     : fpgaclk
To Clock       : fpgaclk
Failed Paths   : 0

Type           : Clock Setup: 'clk'
Slack          : 0.860 ns
Required Time  : 250.00 MHz ( period = 4.000 ns )
Actual Time    : Restricted to 275.03 MHz ( period = 3.636 ns )
From           : DC_block:inst1|temp[3]
To             : DC_block:inst1|temp[22]
From Clock     : clk
To Clock       : clk
Failed Paths   : 0

Type           : Clock Hold: 'fpgaclk'
Slack          : 0.718 ns
Required Time  : 250.00 MHz ( period = 4.000 ns )
Actual Time    : N/A
From           : BZ_block:inst3|temp[23]
To             : BZ_block:inst3|temp[23]
From Clock     : fpgaclk
To Clock       : fpgaclk
Failed Paths   : 0

Type           : Clock Hold: 'clk'
Slack          : 1.057 ns
Required Time  : 250.00 MHz ( period = 4.000 ns )
Actual Time    : N/A
From           : DC_block:inst1|temp[23]
To             : DC_block:inst1|temp[23]
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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