Microelectronic system using time-average-frequency clock signal as its timekeeper
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United States of America Patent
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Sep 22, 2015
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app pub date -
Nov 11, 2013
filing date -
Nov 11, 2013
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Abstract
A microelectronic system comprises at least one circuit block that performs certain signal processing functions and at least one clock generation circuit that produces at least one Time-Average-Frequency clock signal which comprises clock pulses of at least two different lengths. The said lengths are measured in time. The arithmetic mean of the lengths of all the pulses that exist in a time frame of one second is calculated. The Time-Average-Frequency clock pulse train is made in such way that the arithmetic inversion of the said arithmetic mean equals to a predetermined value that is the clock frequency of the Time-Average-Frequency clock signal. At least one said circuit block in the said microelectronic system is driven by the said Time-Average-Frequency clock signal. The said circuit block is setup-constrained using the minimum pulse length found among the lengths of all the pulses in the Time-Average-Frequency clock signal.
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