Cited by 60Advanced Memory and Neural ComputingLow-power high-performance VLSI designAnalog and Mixed-Signal Circuit Design

The DOI matches its Crossref record.

A 40nm Analog-Input ADC-Free Compute-in-Memory RRAM Macro with Pulse-Width Modulation between Sub-arrays

Jiang, Hongwu, Li, Wantong, Huang, Shanshi, Yu, Shimeng·2022·2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)

Abstract

This paper presents an ADC-free compute-in-memory (CIM) RRAM-based macro, exploiting the fully analog intra-/inter-array computation. The main contributions include: 1) a lightweight input-encoding scheme based on pulse-width modulation (PWM), which improves the compute throughput by ~7 times; 2) a fully analog data processing manner between sub-arrays without explicit ADCs, which does not introduce quantization loss and saves the power by a factor of 11.6. The 40nm prototype chip with TSMC RRAM achieves energy efficiency of 421.53 TOPS/W and compute efficiency of 360 GOPS/mm2(normalized to binary operation) at 100MHz.

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Crossref · 10.1109/vlsitechnologyandcir46769.2022.9830211

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Research works printed but not linked: 7

  1. yang, 2019, ISSCC
  2. chen, 2018, ISSCC
  3. yang, 2019, ISSCC
  4. xue, 2021, ISSCC
  5. li, 2021, CICC
  6. yu, 2020, CICC
  7. yu, 2021, IEEE Circuits Syst Mag

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Metadata

Authors
Jiang, H., Li, W., Huang, S., & Yu, S.
Affiliations
Georgia Institute of Technology (US)
Venue
2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits)
Publisher
IEEE
Published
2022-06-12
Pages
266-267
OpenAlex
W4286571956
Cited by
58
References
0
Citations by year
2026: 12 · 2025: 10 · 2024: 17 · 2023: 15 · 2022: 4
FWCI
18.60
Type
conference paper
Language
en
Open access
closed
Locations
IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits) (publishedVersion)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Memory and Neural Computing
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Low-power high-performance VLSI design
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Analog and Mixed-Signal Circuit Design
Keywords
in-memory computing, resistive random access memory, pulse width modulation, energy-efficient computing, 40-nm CMOS

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