Technology-dependent transformations for low-power synthesis

  • Authors:
  • Rajendran Panda;Farid N. Najm

  • Affiliations:
  • Advanced Design Technologies, Motorola, Inc., Austin, TX;Coordinated Science Lab., University of Illinois at Urbana-Champaign, Urbana, IL

  • Venue:
  • DAC '97 Proceedings of the 34th annual Design Automation Conference
  • Year:
  • 1997

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Abstract

We propose a methodology for applying gate-level logictransformations to optimize power in digital circuits.Statisticallysimulated switching information, gate delays,signal arrival patterns, and signal probabilities are consideredin reducing the switching activity-capacitance products.Power reduction up to 45.4% (acerage 12.4%) is achieved,with considerable improvements in area and delay, in pre-optimizedbenchamarks.Also the effect of transformationson the random pattern testability of the circuits is studied.