Performance Analysis of Two Synchronizers

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Provided by: The University of Maine at Machias
Topic: Hardware
Format: PDF
Synchronizers are necessary when importing signals into any clocked domain. As multiple different clocks become increasingly common on chips, synchronizers also proliferate. To achieve high performance it is important that the system designer is aware of the timing characteristics of different synchronizers -which are non-deterministic by nature - and can choose a design to meet their system requirements. This paper presents a method for analyzing and depicting behavior of synchronizers and applies this to two recognized designs. A detailed analysis of timing boundaries of the two synchronizers is presented.
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