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Experimental demonstration of standby power reduction using voltage stacking in an 8Kb embedded FDSOI SRAM

Published: 02 May 2011 Publication History

Abstract

Voltage stacking has been proposed as an efficient solution for power delivery in high performance processors, for 3D ICs, for pin-limited ICs, and for implicit sleep mode (standby) DC/DC conversion. In this paper we demonstrate voltage stacking for an 8Kb embedded SRAM in 180nm fully-depleted SOI (FDSOI) which leads to 88.6% reduction in standby power, including overhead. The SRAM is formed of two 4Kb subarrays which are powered in parallel during active mode, and stacked in series during standby. The SRAM uses no explicit decoupling or regulating and achieves active-to-sleep and sleep-to-active transitions of less than 10ns and a breakeven time of 20ns.

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Cited By

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  • (2021)Twenty Years of Near/Sub-Threshold Design Trends and EnablementIEEE Transactions on Circuits and Systems II: Express Briefs10.1109/TCSII.2020.304097068:1(5-11)Online publication date: Jan-2021
  • (2012)Breaking the power delivery wall using voltage stackingProceedings of the great lakes symposium on VLSI10.1145/2206781.2206795(51-54)Online publication date: 3-May-2012

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  1. Experimental demonstration of standby power reduction using voltage stacking in an 8Kb embedded FDSOI SRAM

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    cover image ACM Conferences
    GLSVLSI '11: Proceedings of the 21st edition of the great lakes symposium on Great lakes symposium on VLSI
    May 2011
    496 pages
    ISBN:9781450306676
    DOI:10.1145/1973009
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 02 May 2011

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    Author Tags

    1. FDSOI
    2. SRAM
    3. low-power memory
    4. sleep mode
    5. stacked voltage
    6. standby power

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    GLSVLSI '11: Great Lakes Symposium on VLSI 2011
    May 2 - 4, 2011
    Lausanne, Switzerland

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    View all
    • (2021)Twenty Years of Near/Sub-Threshold Design Trends and EnablementIEEE Transactions on Circuits and Systems II: Express Briefs10.1109/TCSII.2020.304097068:1(5-11)Online publication date: Jan-2021
    • (2012)Breaking the power delivery wall using voltage stackingProceedings of the great lakes symposium on VLSI10.1145/2206781.2206795(51-54)Online publication date: 3-May-2012

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