DIGITAL INPUT BUFFER
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United States of America Patent
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Issued Date -
Mar 14, 2013
app pub date -
May 9, 2012
filing date -
Sep 8, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A digital input buffer and method. The input buffer includes a voltage regulator configured for operating in weak inversion and outputting a regulated potential, an inverter having as its power source the regulated potential and configured for receiving an input signal, a first latch having its input coupled to the inverter input, and a second latch having its input coupled to the inverter's output, having its output coupled to the first latch's enable input, and having its enable input coupled to the first latch's output. A first latch output signal from the first latch output and a second latch output signal from the second latch output enable switching the first latch output signal to the complement of the input signal and switching the second latch output signal to that of the input signal.
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