Critical paths accommodation with frequency variable clock generator
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United States of America Patent
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Feb 13, 2018
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N/A
app pub date -
May 11, 2016
filing date -
May 15, 2015
priority date (Note) -
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Abstract
Aspects of the disclosure provide an integrated circuit and method for varying a frequency of a clock signal to accommodate critical paths in the integrated circuit. The integrated circuit can include a clock generator configured to generate a clock signal having a clock frequency that is variable, circuitry that includes a plurality of critical modules that can be selectively activated to operate under control of the clock signal, each critical module including one or more critical paths that a default clock frequency cannot accommodate, and a controller that causes the clock generator to vary the clock frequency of the clock signal based on propagation delays of those critical paths in activated critical modules.
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