Magic Blue Smoke

Archive for July 2009

 

Level Shifter Insertion Rule in UPF

Recently found some interesting information on how to write proper level shifter rule, when designer does not want to insert LS in one particular direction. For example say, we don’t want tools to insert High to Low LS. If we go by traditional approach as given below set_level_shifter -domain LOW -applies_to outputs -rule low_to_high -location […]

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