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NZhan1
Partner
210 Views

How to set constrain rules when there are negative slacks on hold time analysis

In Timequest, we can get hold time analysis. What could we do, when there were negative slacks on hold time analysis.

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2 Replies
skyjuice
Employee
69 Views

We need to understand the reason behind hold failure. In most cases, Quartus will add additional routing delay to satisfy hold requirements unless these problematic paths are not realistic to begin with.

Are these cross-clock transfers? Do they have huge clock skew?

KennyT_Intel
Moderator
69 Views

Any update?

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