A method and apparatus for saving power in dynamic circuits

An embodiment of the invention provides a circuit and method for reducing power in dynamic circuits. A large single pre-charge FET is used to pre-charge the pre-charge nodes of all dynamic logic blocks contained in a plurality of dynamic logic blocks. The large single pre-charge FET replaces all sma...

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Bibliographic Details
Main Authors DAVID JOHN MARSHALL, DENISE MAN, ELIAS GEDAMU
Format Patent
LanguageEnglish
Published 22.03.2006
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PULSE TECHNIQUE
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Abstract An embodiment of the invention provides a circuit and method for reducing power in dynamic circuits. A large single pre-charge FET is used to pre-charge the pre-charge nodes of all dynamic logic blocks contained in a plurality of dynamic logic blocks. The large single pre-charge FET replaces all smaller individual FETs that normally would be used. Because smaller FETs typically have more subthreshhold leakage than larger FETs, the overall subthreshhold leakage is reduced. The large pre-charge FET only replaces smaller pre-charge FETs that have the same pre-charge signal going to their gates.
AbstractList An embodiment of the invention provides a circuit and method for reducing power in dynamic circuits. A large single pre-charge FET is used to pre-charge the pre-charge nodes of all dynamic logic blocks contained in a plurality of dynamic logic blocks. The large single pre-charge FET replaces all smaller individual FETs that normally would be used. Because smaller FETs typically have more subthreshhold leakage than larger FETs, the overall subthreshhold leakage is reduced. The large pre-charge FET only replaces smaller pre-charge FETs that have the same pre-charge signal going to their gates.
Author ELIAS GEDAMU
DENISE MAN
DAVID JOHN MARSHALL
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Snippet An embodiment of the invention provides a circuit and method for reducing power in dynamic circuits. A large single pre-charge FET is used to pre-charge the...
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SubjectTerms BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PULSE TECHNIQUE
Title A method and apparatus for saving power in dynamic circuits
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