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DescriptionQ1021
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Q1021DesignBroadcomASIC interview problem

Cross a long-lived mode bit

TechniquesDesignCDCResetCrossbit
DifficultyEasy
TopicCDC & RDC
LanguageSystemVerilog
Format4 choices
01

Problem

A configuration bit changes rarely and remains stable for thousands of destination-clock cycles. The destination only needs its stable level, not the exact change cycle. What is the appropriate basic CDC circuit?

02

Answer choices (4)