Voltage and level-shifter assignment driven floorplanning

Bei Yu, Sheqin Dong, Song Chen, Satoshi Goto

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Low Power Design has become a significant requirement when the CMOS technology entered the nanometer era. Multiple-Supply Voltage (MSV) is a popular and effective method for both dynamic and static power reduction while maintaining performance. Level shifters may cause area and Interconnect Length Overhead (ILO), and should be considered at both floorplanning and post-floorplanning stages. In this paper, we propose a two phases algorithm framework, called VLSAF, to solve voltage and level shifter assignment problem. At floorplanning phase, we use a convex cost network flow algorithm to assign voltage and a minimum cost flow algorithm to handle level-shifter assignment. At post-floorplanning phase, a heuristic method is adopted to redistribute white spaces and calculate the positions and shapes of level shifters. The experimental results show VLSAF is effective.

本文言語English
ページ(範囲)2990-2997
ページ数8
ジャーナルIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
E92-A
12
DOI
出版ステータスPublished - 2009 12

ASJC Scopus subject areas

  • 電子工学および電気工学
  • コンピュータ グラフィックスおよびコンピュータ支援設計
  • 応用数学
  • 信号処理

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