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DescriptionQ599
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Q599DesignMetaASIC interview problem

Purpose of a two-flop synchronizer

TechniquesDesignCDCMetastabilityMTBF
DifficultyEasy
TopicClock Domain Crossing
LanguageSystemVerilog
Format4 choices
01

Problem

A slowly changing one-bit status level crosses into an unrelated destination clock domain. What does a two-flop destination-domain synchronizer provide?

02

Answer choices (4)