LOCALLY ASYNCHRONOUS LOGIC CIRCUIT AND METHOD THEREFOR
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
May 23, 2014
filing date -
May 23, 2014
priority date (Note) -
Abandoned
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Abstract
A locally asynchronous logic circuit includes an input latch; a synchronous-to-asynchronous control circuit having an input for receiving a first clock signal, a first output coupled to the latch enable input of the input latch, and a second output for providing a start signal; a predetermined number of stages coupled between the output of the input latch and an output of the locally asynchronous logic circuit, each stage having an asynchronous functional circuit and an associated completion circuit having an input for receiving a corresponding start signal and an output for providing a corresponding done signal; and an asynchronous-to-synchronous control circuit having a first input for receiving a done signal of a preceding stage, and an output for providing a valid signal. The asynchronous-to-synchronous control circuit activates said first valid signal to indicate said output of the locally asynchronous logic circuit is valid.
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