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AR# 32618 SPI-4.2 v9.1 - NCSim timing simulation does not work with SDF file

NCSim timing simulation does not work correctly with an SDF file. There are data mismatches caused by data going to an unknown "X" state.

To work around this issue, run the simulation without bringing in an SDF file. This issue is scheduled to be fixed in ISE software 12.1.

Revision History
05/04/2009 - Initial Release
04/07/2010 - Added fixed version

AR# 32618
Date Created 05/04/2009
Last Updated 12/15/2012
Status Active
Type General Article
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