Importance

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Abstract

A circuit for filtering glitches that corrupt a digital input signal includes an enable path input with the digital signal and a reset signal. The enable path generates a corresponding active output signal when the reset signal is null and the digital signal assumes a logic active value, or a null output signal when the reset signal is asserted. The circuit also includes a delay line producing an internal signal as delayed replica of the output signal. The circuit further includes a disable path enabled or disabled by the internal signal, which receives the digital signal and, when enabled, asserts the reset signal when the digital signal becomes null.

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First Claim