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Dynamic logic circuit apparatus and method for reducing leakage power consumption via separate clock and output stage control
   
Document Number
US Patent 7202705
Issued Date
April 10, 2007
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Abstract
A dynamic logic circuit apparatus and method for reducing leakage power consumption via separate clock and output stage control reduces power consumption of processors and other systems incorporating dynamic circuits. The power control signal may be a delayed version of the logic clock and turns on the output inverter foot device after the dynamic node has had sufficient time to evaluate, providing a fast evaluate time and reducing leakage through the inverter input when the foot device is off. Alternatively, a coarsely timed static power control signal may be used to control the inverter foot devices. The drains of the inverter foot devices can be commonly connected across multiple circuits, reducing the foot device total area.
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Number of Claims:
20
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Published
April 10, 2007
Application Number
10/992,488
Filed
November 18, 2004
US Classification
326/98   326/95
Int'l Classification
H03K   19/096   (20060101)  
Examiner
USPTO Field of Search
326/98   326/95  
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