Unverified50% confidenceFactExact time
Metastability is one of the most dangerous hazards in cross-clock-domain design; when an asynchronous signal transition occurs within a flip-flop's setup/hold window, the flip-flop output may be in an indeterminate state and propagate randomly, and the standard solution is to use a two-flip-flop synchronizer, while for multi-bit signals a handshake protocol or asynchronous FIFO is needed.
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50%
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Long-term
Relevance
10/14/2026
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