comparator.twr

清华大学verilog hdl源码例子

--------------------------------------------------------------------------------
Release 6.2i Trace G.28
Copyright (c) 1995-2004 Xilinx, Inc.  All rights reserved.

C:/Xilinx/bin/nt/trce.exe -intstyle ise -e 3 -l 3 -xml comparator
comparator.ncd -o comparator.twr comparator.pcf


Design file:              comparator.ncd
Physical constraint file: comparator.pcf
Device,speed:             xc2s200,-6 (PRODUCTION 1.27 2003-12-13)
Report level:             error report

Environment Variable      Effect 
--------------------      ------ 
NONE                      No environment variables were set
--------------------------------------------------------------------------------

INFO:Timing:2698 - No timing constraints found, doing default enumeration.
INFO:Timing:2752 - To get complete path coverage, use the unconstrained paths
   option. All paths that are not constrained will be reported in the
   unconstrained paths section(s) of the report.


Data Sheet report:
-----------------
All values displayed in nanoseconds (ns)

Pad to Pad
---------------+---------------+---------+
Source Pad     |Destination Pad|  Delay  |
---------------+---------------+---------+
A<0>           |Y0             |   15.278|
A<0>           |Y1             |   15.318|
A<0>           |Y2             |   16.408|
A<1>           |Y0             |   15.739|
A<1>           |Y1             |   15.685|
A<1>           |Y2             |   16.565|
A<2>           |Y0             |   12.975|
A<2>           |Y1             |   13.304|
A<2>           |Y2             |   14.270|
A<3>           |Y0             |   11.483|
A<3>           |Y1             |   11.796|
A<3>           |Y2             |   12.605|
B<0>           |Y0             |   13.765|
B<0>           |Y1             |   13.414|
B<0>           |Y2             |   14.537|
B<1>           |Y0             |   13.441|
B<1>           |Y1             |   13.334|
B<1>           |Y2             |   14.517|
B<2>           |Y0             |   12.121|
B<2>           |Y1             |   12.060|
B<2>           |Y2             |   13.315|
B<3>           |Y0             |   10.467|
B<3>           |Y1             |   10.429|
B<3>           |Y2             |   11.553|
---------------+---------------+---------+

Analysis completed Fri Feb 24 02:25:47 2006
--------------------------------------------------------------------------------

Peak Memory Usage: 46 MB