flipflop - If a flip flop has a setup violation and goes metastable, is it guaranteed to settle to the input value when it finishes oscillating? - Electrical Engineering Stack Exchange
Two flip-flop synchronizer | Download Scientific Diagram
Metastability immune and area efficient error masking flip-flop for timing error resilient designs - ScienceDirect
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After metastability, does the value eventually settle to the correct value? - Electrical Engineering Stack Exchange