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Altera_Forum's avatar
Altera_Forum
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13 years ago

How to handle the Hold time is violated?

In my design, after analysis in TimeQuest, there are 4 paths that hold time are violated, the slack time is negative. What is normal approach to handle the case that hold time is violated? Than...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Sorry, just got back from 2 week's vacation today. If you haven't figured this out yet, try this (assuming your Hold Relationship is 0):

set_min_delay 0.200 -from <source node> -to <destination node>.

If this isn't enough, you can try increasing the amount from 200 ps to a larger number.