FIRE: a fault-independent combinational redundancy identification algorithm
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Reducing power dissipation after technology mapping by structural transformations
DAC '96 Proceedings of the 33rd annual Design Automation Conference
Multi-level logic optimization for low power using local logic transformations
Proceedings of the 1996 IEEE/ACM international conference on Computer-aided design
Symbolic computation of logic implications for technology-dependent low-power synthesis
ISLPED '96 Proceedings of the 1996 international symposium on Low power electronics and design
Gate-level synthesis for low-power using new transformations
ISLPED '96 Proceedings of the 1996 international symposium on Low power electronics and design
Leakage-and crosstalk-aware bus encoding for total power reduction
Proceedings of the 41st annual Design Automation Conference
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Logic and structural transformations to reduce power havebeen considered by a number of authors.However,all the results presented so far have been based on modelsof power and estimation methods that may not be a accuratereflection of 'real world' constraitns.The performancerequirements of industrial designs often significantly restrictthe applicability of the power reducing transformations.Inthis paper we present the results of investigations on the efficacyof a recently reported logic level power optimizing algorithmon some commercial circuits, using customer suppliedinput waveforms.Based on a accurate delay model,the power consumption of the circuits is estimated using thecommercial package called 'PowerMill".The experimental resultsshow that a maximum 21% average power and 27.7%peak power power reduction can be obtained with only 3% delayincrease.Based on the experiments, we propose a generalmethodology for the practical application of the transformationsfor power optimization of CMOS logic circuits.Finally,a comparison between the experiments using randominput waveforms and customer provided input waveforms ispresented.