Low-power digital systems based on adiabatic-switching principles
Athas, W.C.
Svensson, L.J.
Koller, J.G.
Tzartzanis, N.
Ying-Chin Chou, E.
Inf. Sci. Inst., Univ. of Southern California, Marina del Rey, CA;
This paper appears in: Very Large Scale Integration (VLSI) Systems, IEEE Transactions on
Publication Date: Dec 1994
Volume: 2,
Issue: 4
On page(s): 398-407
ISSN: 1063-8210
References Cited: 16
CODEN: IEVSE9
INSPEC Accession Number: 4839246
Digital Object Identifier: 10.1109/92.335009
Current Version Published: 2002-08-06
Abstract
Adiabatic switching is an approach to low-power digital circuits
that differs fundamentally from other practical low-power techniques.
When adiabatic switching is used, the signal energies stored on circuit
capacitances may be recycled instead of dissipated as heat. We describe
the fundamental adiabatic amplifier circuit and analyze its performance.
The dissipation of the adiabatic amplifier is compared to that of
conventional switching circuits, both for the case of a fixed voltage
swing and the case when the voltage swing can be scaled to reduce power
dissipation. We show how combinational and sequential
adiabatic-switching logic circuits may be constructed and describe the
timing restrictions required for adiabatic operation. Small
chip-building experiments have been performed to validate the techniques
and to analyse the associated circuit overhead
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