Automated low-power technique exploiting multiple supply voltages applied to a media processor

Kimiyoshi Usami, Kazutaka Nogami, Mutsunori Igarashi, Fumihiro Minami, Yukio Kawasaki, Takashi Ishikawa, Masahiro Kanazawa, Takahiro Aoki, Midori Takano, Chiharu Mizuno, Makoto Ichida, Shinji Sonoda, Makoto Takahashi, Naoyuki Hatanaka

Research output: Contribution to journalConference articlepeer-review

23 Citations (Scopus)


This paper describes an automated design technique to reduce power by making use of two supply voltages. The technique consists of structure synthesis, placement and routing. The structure synthesizer clusters the gates off the critical paths so as to supply the reduced voltage to save power. The placement and routing tool assigns either the reduced voltage or the unreduced one to each row so as to minimize the area overhead. Combining these techniques together, we applied it to the random logic modules of a media processor chip. The combined technique reduced the power by 47% on average with an area overhead of 15% at the random logic, while keeping the performance.

Original languageEnglish
Pages (from-to)131-134
Number of pages4
JournalProceedings of the Custom Integrated Circuits Conference
Publication statusPublished - 1997
Externally publishedYes
EventProceedings of the 1997 IEEE Custom Integrated Circuits Conference - Santa Clara, CA, USA
Duration: 1997 May 51997 May 8

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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