( ESNUG 450 Item 8 ) --------------------------------------------- [01/25/06]
From: Yiftach Benjamini <yiftach.benjamini=usr domain=intel hot mom>
Subject: User asks how do you add Intelligent Margins in your Design Flow?
Hi, John,
First of all let me just say that I very much enjoy your newsletter.
I'm an STA engineer at Intel Israel and we have recently implemented a
new method for adding margins to our design. Our flow is based entirely
on Synopsys tools and until recently we modeled margins (such as PVT
variations, aging, etc...) in our design using fixed uncertainty values.
We found this method to be overly pessimistic, so we developed a new
method that defines derate factors instead of a fixed number.
What I'd like to learn is how other designers add such margins to their
designs.
- Yiftach Benjamini
Intel Communication Group Haifa, Israel
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