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We wrote an article about stage-based OCV (AOCV) that goes in to some detail about how tables work and some of the additional data analysis that can be done with the raw data used in the derate calculations.
**broken link removed**
The differences are due to what the depth and distances derates are attempting to model.
Distance based AOCVM is used to model global variation effects. It's assumed that different parts of the chip will vary more so that's why as distance increases you see more variation.
Depth based...
Hi Vivek,
What kind of questions do you have? Disclosure: I work for CLK DA, the company erikl pointed too in the last response to your question.
At its simplest, AOCV is a way to specify a derate factor for the delay through a particular cell during static timing. The AOCV tables can include...
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