Cited by 36Advanced Memory and Neural ComputingLow-power high-performance VLSI designFerroelectric and Negative Capacitance Devices

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

A Maximally Row-Parallel MRAM In-Memory-Computing Macro Addressing Readout Circuit Sensitivity and Area

Deaville, Peter, Zhang, Bonan, Chen, Lung-Yen, Verma, Naveen·2021·ESSCIRC 2021 - IEEE 47th European Solid State Circuits Conference (ESSCIRC)

Abstract

This paper presents the first MRAM-based In-Memory-Computing (IMC) macro, implemented as a 128-kb array in an advanced-node 22nm FD-SOI technology. The design maximizes IMC row parallelism for energy efficiency and throughput, while addressing the critical challenges this raises, namely: high column currents; high output dynamic-range requirements; and large area of peripheral readout circuits. These are addressed through current-insensitive column-multiplexing and high-sensitivity readout circuits, occupying 26% of the macro area. Residual IMC non-idealities, arising from statistical circuit variations, are modeled and incorporated in a chip-generalized one-time neural-network training algorithm, with CIFAR-10 image-classification accuracy demonstrated at 90.1%, equal to ideal digital computation. The design addresses the particularly high sensitivity required for MRAM-based IMC compared to other non-volatile memory technologies, while achieving area-normalized throughput of 758 GOPS/mm2and energy efficiency of 5.1 TOPS/W for the macro.

Overview

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Registry

Crossref · 10.1109/esscirc53450.2021.9567807

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Research works printed but not linked: 3

  1. 10.1109/VLSIT.2018.8510676 · DOI
  2. 10.1109/ICASSP.2019.8683521 · DOI
  3. 10.1109/TCAD.2019.2907886 · DOI

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Metadata

Authors
Deaville, P., Zhang, B., Chen, L.-Y., & Verma, N.
Affiliations
Princeton University (US)
Venue
ESSCIRC 2021 - IEEE 47th European Solid State Circuits Conference (ESSCIRC)
Publisher
IEEE
Published
2021-09-13
Pages
75-78
ISSN
1930-8833 (ISSN-L)
OpenAlex
W3209341468
Cited by
36
References
3
Citations by year
2026: 1 · 2025: 7 · 2024: 6 · 2023: 13 · 2022: 9
FWCI
10.99
Type
conference paper
Language
en
Open access
closed
Locations
European Solid-State Circuits Conference (ESSCIRC) (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 › Ferroelectric and Negative Capacitance Devices
Keywords
MRAM, in-memory computing, neural network training, 22nm FDSOI, energy efficiency, throughput, non-volatile memory

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