Power estimation in global interconnects and its reduction using a novel repeater optimization methodology

  • Authors:
  • Pawan Kapur;Gaurav Chandra;Krishna C. Saraswat

  • Affiliations:
  • CIS, Stanford, CA;CIS, Stanford, CA;CIS, Stanford, CA

  • Venue:
  • Proceedings of the 39th annual Design Automation Conference
  • Year:
  • 2002

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Abstract

The purpose of this work is two fold. First, to quantify and establish future trends for the dynamic power dissipation in global wires of high performance integrated circuits. Second, to develop a novel and efficient delay-power tradeoff formulation for minimizing power due to repeaters, which can otherwise constitute 50% of total global wire power dissipation. Using the closed form solutions from this formulation, power savings of 50% on repeaters are shown with minimal delay penalties of about 5% at the 50 nm technology node. These closed-form, analytical solutions provide a fast and powerful tool for designers to minimize power.