Answers Database


2.1i Ngdanno - Back annotated delay has 3.7ns added to tristate signal on an IOB.


Record #7336

Product Family: Software

Product Line: FPGA Implementation

Product Part: ngdanno

Product Version: 2.1i

Problem Title:

2.1i Ngdanno - Back annotated delay has 3.7ns added to tristate signal on an IOB.


Problem Description:
Urgency: Standard

Problem Description:

A signal that has 1.8 ns net delay going from a CLB to the T pin of the IOB,
shows a back annotated delay of 5.5ns.


Solution 1:

This problem is fixed in the latest 2.1i Service Pack available at:
http://support.xilinx.com/support/techsup/sw_updates/




End of Record #7336 - Last Modified: 10/15/99 14:55

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