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Characterizing and modeling minimum energy operation for subthreshold circuits

Published: 09 August 2004 Publication History

Abstract

Subthreshold operation is emerging as an energy-saving approach to many new applications. This paper examines energy minimization for circuits operating in the subthreshold region. We show the dependence of the optimum V DD for a given technology on design characteristics and operating conditions. Solving equations for total energy provides an analytical solution for the optimum V DD and V T to minimize energy for a given frequency in subthreshold operation. SPICE simulations of a 200K transistor FIR filter confirm the analytical solution and the dependence of the minimum energy operating point on important parameters.

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    cover image ACM Conferences
    ISLPED '04: Proceedings of the 2004 international symposium on Low power electronics and design
    August 2004
    414 pages
    ISBN:1581139292
    DOI:10.1145/1013235
    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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    Publication History

    Published: 09 August 2004

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    Author Tags

    1. energy model
    2. minimum energy point
    3. subthreshold circuits
    4. subthreshold model

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    ISLPED04
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    ISLPED04: International Symposium on Low Power Electronics and Design
    August 9 - 11, 2004
    California, Newport Beach, USA

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    Overall Acceptance Rate 398 of 1,159 submissions, 34%

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    • (2023)Efficient logic cell design for ultralow-energy subthreshold operation in wearable biomedical systemsi-manager's Journal on Circuits and Systems10.26634/jcir.11.2.2039811:2(20)Online publication date: 2023
    • (2023)Optimum Supply Voltage for High Gain Amplifier in Telemetry Circuitry for Ultra-Low Power Implantable Cardiac Pacemaker2023 21st IEEE Interregional NEWCAS Conference (NEWCAS)10.1109/NEWCAS57931.2023.10198140(1-5)Online publication date: 26-Jun-2023
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    • (2021)Assessment of 10 nm Tunnel- FETs and FinFETs transistors for ultra-low voltage and high-speed digital circuits2021 IEEE Fifth Ecuador Technical Chapters Meeting (ETCM)10.1109/ETCM53643.2021.9590651(1-6)Online publication date: 12-Oct-2021
    • (2021)A 350 mV, 2 MHz, 16-kb SRAM with programmable wordline boosting in the 65 nm CMOS technologyAnalog Integrated Circuits and Signal Processing10.1007/s10470-021-01907-xOnline publication date: 12-Jul-2021
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