Computing Synchronizer Failure Probabilities

Provided by: edaa
Topic: Hardware
Format: PDF
System-on-Chip designs often have a large number of timing domains. Communication between these domains requires synchronization, and the failure probabilities of these synchronizers must be characterized accurately to ensure the robustness of the complete system. The authors present a novel approach for determining the failure probabilities of synchronizer circuits. Their approach using numerical integration to account for the nonlinear behavior of real synchronizer circuits. They complement this with small-signal techniques to enable accurate estimation of extremely small failure probabilities. Their approach is fully automated, is suitable for integration into circuit simulation tools such as SPICE and enables accurate characterization of extremely small failure probabilities.

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