Acronym · Physical Design & Signoff
WNS (Worst Negative Slack)
The most negative slack value across all analysed timing paths in a given scenario, identifying the single worst violation and therefore the frequency at which the design would currently fail.
- Also known as
- Worst slack
- Type
- Acronym
- Domain
- Physical Design & Signoff, Timing signoff
Notes
WNS alone hides the scale of a problem, which is why it is always quoted alongside TNS and failing endpoint count.
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