Method for reducing power consumption by using capacitive coupling to perform majority detection
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United States of America Patent
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Jun 25, 2013
Grant Date -
Jan 12, 2012
app pub date -
Sep 16, 2011
filing date -
Apr 4, 2005
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Abstract
One embodiment of the present invention provides a method that reduces power consumption by using capacitive coupling to perform a majority detection operation. The method involves driving a plurality of signals onto a plurality of driven wires. The signals are then fed from each driven wire through a corresponding coupling capacitor to a single majority detection wire. In addition, method involves feeding a signal on the majority detection wire and a bias voltage to a differential receiver. The output of the differential receiver switches if the signal on the majority-detection wire switches relative to the bias voltage. The method further involves using the output of the differential receiver to optimize the signals from the plurality of driven wires for transmission across a long signal route. Optimizing the transmission of signals reduces the power consumed by a computer system.
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