Variable delay circuits and methods
Abstract:
A variable delay circuit includes first pull-up and first pull-down current paths and second pull-up and second pull-down current paths. The variable delay circuit generates first delays in an output signal relative to an input signal in response to the first pull-up and first pull-down current paths being enabled by a first control signal. The variable delay circuit generates second delays in the output signal relative to the input signal that are different than the first delays in response to the second pull-up and second pull-down current paths being enabled by a second control signal.
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