jp4x4_1.tan.summary

基于Quartus II FPGA/CPLD数字系统设计实例（VHDL源代码文件）

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Timing Analyzer Summary
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Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 7.782 ns
From           : kbcol[3]
To             : seg7[5]
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 14.510 ns
From           : seg7_out[6]~reg0
To             : seg7_out[6]
From Clock     : clk
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : -0.334 ns
From           : start
To             : dat[4]
From Clock     : --
To Clock       : clk
Failed Paths   : 0

Type           : Clock Setup: 'clk'
Slack          : N/A
Required Time  : None
Actual Time    : Restricted to 340.02 MHz ( period = 2.941 ns )
From           : sta[0]
To             : seg7[2]
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           : seg7[4]
To             : seg7_out[4]~reg0
From Clock     : clk
To Clock       : clk
Failed Paths   : 7

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 7

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