Post-layout transistor sizing for power reduction in cell-based design

  • Authors:
  • Masanori Hashimoto;Hidetoshi Onodera

  • Affiliations:
  • Dept. Communications & Computer Enginnering, Kyoto University;Dept. Communications & Computer Enginnering, Kyoto University

  • Venue:
  • Proceedings of the 2001 Asia and South Pacific Design Automation Conference
  • Year:
  • 2001

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Abstract

We propose a transistor sizing method that down-sizes MOSFETs inside a cell to eliminate redundancy of cell-based circuits as much as possible. Our method reduces power dissipation of detail-routed circuits while preserving interconnects. The effectiveness of our method is experimentally evaluated using 5 circuits. The power dissipation is reduced by 77% maximum and 65% on average without delay increase.