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Thomas Moore



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Constraint Construction: What's Its Function? Part 4 of 4
This is the last in the series of Constraint Construction blogs ! Today we're going to go over DESIGN RULES and MODES OF OPERATION. DESIGN RULES: Follow them, or else... Often times, these rules are indeed set in the timing library. But perhaps you   Read More »
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Constraint Construction: What's Its Function? Part 3 of 4
Part 3. EXCEPTION PATHS: For Every Rule, There Is An Exception More often than not, I'll start an optimization on a block only to have it result in thousands of timing violations. Many times, the culprit is a missing path exception constraint. When   Read More »
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Constraint Construction: What's Its Function? Part 2 of 4
Part 2 - I/O TIMING: Talking Outside The Box It wouldn't be a chip or block if it didn't have to talk to something other than itself right? We could always assume that every input arrives at exactly the same time, and every output has exactly   Read More »
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Constraint Construction: What's Its Function? Part 1 of 4
Have you found yourself frustrated at the lack of some decent timing constraints? Perhaps made critical floorplanning and placement decisions only to have them thrown out because someone forgot to mention a tiny detail in the constraints? Often times   Read More »
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