Importance

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Abstract

A digital logic circuit and method for de-glitching an input signal. The circuit removes distortion that occurs during a “de-glitching” time period that follows each transition of the input signal from 0 to 1 or from 1 to 0. The circuit can remove such distortion from the input signal without substantially delaying the input signal. Specifically, the delay interposed can be much less than the duration of the de-glitching time period. One embodiment includes first and second Set-Reset flip-flops each having an input connected to receive the input signal and having an output connected to a majority circuit. A delay circuit also receives the input signal and provides an output to the majority circuit. Other embodiments replace the majority circuit with a circuit including logic gates.

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First Claim