Can Quantum Synchronizers Solve the Metastability Problem of Asynchronous Digital Systems?

Reinhard Männer
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Reinhard Männer: Physics Institute, University of Heidelberg, Heidelberg, Germany

International Journal of Modern Physics C (IJMPC), 1990, vol. 01, issue 04, 329-342

Abstract: The synchronization of asynchronous signals can lead to metastable behavior and malfunction of digital circuits. It is believed — but not proved — that metastability principally cannot be avoided. Confusion exists about its practical importance. This paper shows that metastable behavior can be avoided by usage of quantum synchronizers in principle, but not in practice, and that conventional synchronizers unavoidably show metastable behavior in principle, but not in practice, if properly designed.

Keywords: Metastability; Synchronizer; Arbiter; Asynchronous Inputs; Quantum Mechanics; Macroscopic Quantum Effects; SQUID; Macroscopic Quantum Tunnelling (search for similar items in EconPapers)
Date: 1990
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DOI: 10.1142/S0129183190000189

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