Improved Toolchain-Compatible Standard Cells with 5% - 36% Lower EDP for Super Threshold Operation in 65nm Low-Power CMOS Technology

S. Yadav*, A.B.J. Kokkeler, M.S. Oude Alink

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Abstract

High performance and energy efficiency are very crucial aspects in e.g. the field of edge computing where a tight power budget constrains the device operation. Different logic families were explored over the years to design standard cells with higher performance and/or lower power while keeping the noise immunity and the compatibility with design automation tools intact. Hybrid pass transistor logic with static CMOS output (HPSC) seems to be promising and is exploited in this paper to design low energy, high performance and toolchain-compatible standard cells without compromising on noise immunity and chip area. This paper presents a 2/3-input XOR cell, a 2/3-input XNOR cell, two variants of a half adder cell, a full adder cell and two variants of a 1-bit multiply-accumulate combinational cell based on a combination of HPSC and static CMOS logic in a commercial 65nm Low-Power CMOS technology. Post-layout simulations over all the process-voltage-temperature corners show a 4.7% - 35.7% lower energy-delay product with significant improvement in the propagation delay of the proposed cells
Original languageEnglish
Title of host publication2023 IEEE International Symposium on Circuits and Systems (ISCAS)
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages5
ISBN (Electronic)978-1-6654-5109-3
ISBN (Print)978-1-6654-5110-9
DOIs
Publication statusPublished - 24 May 2023
Event56th IEEE International Symposium on Circuits and Systems, ISCAS 2023 - Monterey, United States
Duration: 21 May 202325 May 2023
Conference number: 56

Publication series

NameIEEE International Symposium on Circuits and Systems (ISCAS)
PublisherIEEE
Volume2023
ISSN (Print)0271-4302
ISSN (Electronic)2158-1525

Conference

Conference56th IEEE International Symposium on Circuits and Systems, ISCAS 2023
Abbreviated titleISCAS 2023
Country/TerritoryUnited States
CityMonterey
Period21/05/2325/05/23

Keywords

  • Standard cell optimization
  • Cell design
  • Logic design
  • Super-threshold operation
  • Leakage power
  • Propagation delay
  • HPSC
  • PDP
  • EDP
  • Digital
  • CMOS
  • 2023 OA procedure

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