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
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.
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Simulations show that an analog in-memory computing design with complementary programming is considerably less robust than the authors' approach, especially at lower supply voltage.
“These simulations, where the variability of memristors is modeled based on measurements of our devices, show that the analog approach is considerably less robust than our approach, especially at lower supply voltage.”
From Powering AI at the edge: A robust, memristor-based binarized neural network with near-memory computing and miniaturized solar cell (2024) · cites this paper as [27]
Citations
Cites
Liu, Q., Gao, B., Yao, P., Wu, D., Chen, J., Pang, Y., Zhang, W., Liao, Y., Xue, C.-X., Chen, W.-H., et al. (2020) · 2020 IEEE International Solid- State Circuits Conference - (ISSCC) · doi:10.1109/isscc19947.2020.9062953 · Cited by 308 · cited 2×
“While recent IMCs works have targeted ReRAM-based eNVM for row-parallel operation [1-4], IMC IP is required in the range of technologies suited for different application needs.”
BackgroundMethodXue, C.-X., Huang, T.-Y., Liu, J.-S., Chang, T.-W., Kao, H.-Y., Wang, J.-H., Liu, T.-W., Wei, S.-Y., Huang, S.-P., Wei, W.-C., et al. (2020) · 2020 IEEE International Solid- State Circuits Conference - (ISSCC) · doi:10.1109/isscc19947.2020.9063078 · Cited by 230 · cited 1×
“While recent IMCs works have targeted ReRAM-based eNVM for row-parallel operation [1-4], IMC IP is required in the range of technologies suited for different application needs.”
BackgroundYin, S., Sun, X., Yu, S., & Seo, J.-S. (2020) · IEEE Transactions on Electron Devices · doi:10.1109/ted.2020.3015178 · Cited by 171 · cited 1×
“While recent IMCs works have targeted ReRAM-based eNVM for row-parallel operation [1-4], IMC IP is required in the range of technologies suited for different application needs.”
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Jebali, F., Majumdar, A., Turck, C., Harabi, K.-E., Faye, M.-C., Muhr, E., Walder, J.-P., Bilousov, O., Michaud, A., Vianello, E., et al. (2024) · Nature Communications · doi:10.1038/s41467-024-44766-6 · Cited by 58
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
- Licence
- 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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