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What is Clock Domain Crossing Basics about?

Clock Domain Crossing (CDC) in ASIC design involves transferring data between flip-flops driven by different clock frequencies, which can lead to metastability issues if data transitions during critical timing windows. The reliability of synchronizers is quantified by Mean Time Between Failures (MTBF). CDC can involve synchronous clocks, which are easier to manage, and asynchronous clocks, which require specialized synchronizers to prevent errors like reconvergence.

Author

Shibin Bose Kavara

Language

EN