one.tan.summary

verilog设计的4位频率计

--------------------------------------------------------------------------------------
Timing Analyzer Summary
--------------------------------------------------------------------------------------

Type           : Worst-case tsu
Slack          : N/A
Required Time  : None
Actual Time    : 2.100 ns
From           : k2
To             : ctr:inst|gz2[0]
From Clock     : --
To Clock       : clk_50M
Failed Paths   : 0

Type           : Worst-case tco
Slack          : N/A
Required Time  : None
Actual Time    : 25.700 ns
From           : ledout:inst3|disp_dat[1]
To             : ledout[2]
From Clock     : clk_50M
To Clock       : --
Failed Paths   : 0

Type           : Worst-case th
Slack          : N/A
Required Time  : None
Actual Time    : 3.900 ns
From           : clr
To             : ledout:inst3|i[0]
From Clock     : --
To Clock       : clk_50M
Failed Paths   : 0

Type           : Clock Setup: 'clk_50M'
Slack          : N/A
Required Time  : None
Actual Time    : 15.20 MHz ( period = 65.800 ns )
From           : count10:inst9|out[1]
To             : latch_16:inst2|qo[25]
From Clock     : clk_50M
To Clock       : clk_50M
Failed Paths   : 0

Type           : Clock Setup: 'clk2'
Slack          : N/A
Required Time  : None
Actual Time    : 84.75 MHz ( period = 11.800 ns )
From           : count10:inst9|out[0]
To             : count10:inst9|out[1]
From Clock     : clk2
To Clock       : clk2
Failed Paths   : 0

Type           : Clock Hold: 'clk_50M'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : ctr:inst|load
To             : count10:inst9|out[3]
From Clock     : clk_50M
To Clock       : clk_50M
Failed Paths   : 84

Type           : Clock Hold: 'clk2'
Slack          : Not operational: Clock Skew > Data Delay
Required Time  : None
Actual Time    : N/A
From           : count10:inst9|out[2]
To             : count10:inst9|out[2]
From Clock     : clk2
To Clock       : clk2
Failed Paths   : 21

Type           : Total number of failed paths
Slack          : 
Required Time  : 
Actual Time    : 
From           : 
To             : 
From Clock     : 
To Clock       : 
Failed Paths   : 105

--------------------------------------------------------------------------------------