Answers Database

M1.4 Ngdanno - Timing discrepency between Trce and back annotated timingfor EQN logic.


Record #3459

Product Family:  Software

Product Line:  FPGA Implementation

Problem Title:
M1.4 Ngdanno - Timing discrepency between Trce and back annotated
timingfor EQN logic.



Problem Description:
Timing from the sdf file doesn't match the timing value from the twr file. The p
roblem was found to be specific to certain
cases involving EQN symbols to input logic. A patch is
available for M1.4.


Solution 1:

A fix for this ngdanno error is included in the current M1.4 Core
Applications patch available from the Xilinx Download Area:

ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_sol14_m14.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_sun14_m14.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_hp14_m14.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_nt14.zip



End of Record #3459