Real-time threshold-voltage control scheme for low-power VLSI under Fluctuation of a supply voltage

Ahmad Shaheer, Michitaka Kameyama

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

In the recent sub-90nm VLSI generation, a fluctuation exists in a supply voltage due to IR-drop and inductance effects. A supply voltage fluctuation in VLSI chips causes large variations in the logic delay time and power consumption. However, in conventional low-power VLSI architecture such as variable threshold voltage CMOS (VTCMOS), the threshold voltage of a transistor is fixed in advance at the system design level. As a result,.VTCMOS can't compensate a supply voltage fluctuation. By employing an adaptive threshold voltage control (ATVC), minimization of power consumption under a time constraint is achieved even in the presence of a supply voltage fluctuation. Optimal granularity is discussed to minimize the total power consumption.

本文言語English
ホスト出版物のタイトルISSCS 2005
ホスト出版物のサブタイトルInternational Symposium on Signals, Circuits and Systems - Proceedings
ページ15-18
ページ数4
DOI
出版ステータスPublished - 2005 12月 1
イベントISSCS 2005: International Symposium on Signals, Circuits and Systems - Iasi, Romania
継続期間: 2005 7月 142005 7月 15

出版物シリーズ

名前ISSCS 2005: International Symposium on Signals, Circuits and Systems - Proceedings
1

Conference

ConferenceISSCS 2005: International Symposium on Signals, Circuits and Systems
国/地域Romania
CityIasi
Period05/7/1405/7/15

ASJC Scopus subject areas

  • 工学(全般)

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