Answers Database
2.1i 4KE/Spartan Timing - There is a known case where back annotated xc4000e and Spartan delays are under reported.
Record #6965
Product Family: Software
Product Line: FPGA Implementation
Product Part: ngdanno
Product Version: 2.1i
Problem Title:
2.1i 4KE/Spartan Timing - There is a known case where back annotated xc4000e and Spartan
delays are under reported.
Problem Description:
There is a 1 to 3 ns setup delay loss on the CLB FFX driven through the DI pin of the DX mux.
Solution 1:
This issue is fixed in the latest 2.1i Service Pack available at:
http://support.xilinx.com/support/techsup/sw_updates
End of Record #6965 - Last Modified: 11/15/99 14:33 | 
