300 MIPS/W RISC core processor with variable supply-voltage scheme in variable threshold-voltage CMOS

Kojiro Suzuki, Shinji Mita, Tetsuya Fujita, Fumiyuki Yamane, Fumihiko Sano, Akihiko Chiba, Yoshinori Watanabe, Koji Matsuda, Takeo Maeda, Tadahiro Kuroda

Research output: Contribution to journalConference articlepeer-review

34 Citations (Scopus)

Abstract

A 300 MIPS/W RISC core processor with variable supply-voltage (VS) scheme in variable threshold-voltage CMOS (VTCMOS) is presented. Performance in MIPS/W can be improved by a factor of more than two with no modification in the RISC core except for substrate contacts for the VTCMOS. From a 3.3 V external power supply the VS scheme automatically generates minimum internal supply voltages which meet the demand on its operation frequency.

Original languageEnglish
Pages (from-to)587-590
Number of pages4
JournalProceedings of the Custom Integrated Circuits Conference
Publication statusPublished - 1997 Jan 1
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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