Energy-Recovery CMOS Design

Energy-Recovery CMOS DesignEnergy-Recovery CMOS Design
Jay Moon, Bill Athas*
Univ of Southern California *Apple Computer, Inc. jsmoon@usc.edu / athas@apple.com March 05, 2001

UCLA EE215B

jsmoon@usc.edu / athas@apple.com

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Outline
Motivation Review of CMOS switching energetics Adiabatic charging Energy-Recovery CMOS Stepwise charging Clock-powered logic (CPL) Harmonic resonant charging Future Research

UCLA EE215B

jsmoon@usc.edu / athas@apple.com

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Motivation

high-performance & low-power computing

It’s becoming increasingly difficult to get rid of the heat generated by VLSI chips Battery life for portables
UCLA EE215B jsmoon@usc.edu / athas@apple.com 3

Types of power dissipation
Dynamic power dissipation