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Altera_Forum
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16 years ago

TimeQuest Clock uncertainty

Hello everybody Is adding clock uncertainty in TimeQuest a good idea when timing analysis says that everything is OK but the Design still does not operate correctly? Can clock uncertainty lead ...
Altera_Forum's avatar
Altera_Forum
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16 years ago

Thanks for the advice StefanLevie. Actually I'm using a Cyclone II in a 240 pin PQFP so this could be an issue. However the layout and decoupling is above average in my opinion.

By the way I found out that some of the problems happended outside the FPGA but not all.