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Enabling Normally-off In-Situ Computing with a Magneto-Electric FET-based SRAM Design (2312.05212v1)

Published 8 Dec 2023 in cs.AR

Abstract: As an emerging post-CMOS Field Effect Transistor, Magneto-Electric FETs (MEFETs) offer compelling design characteristics for logic and memory applications, such as high-speed switching, low power consumption, and non-volatility. In this paper, for the first time, a non-volatile MEFET-based SRAM design named ME-SRAM is proposed for edge applications which can remarkably save the SRAM static power consumption in the idle state through a fast backup-restore process. To enable normally-off in-situ computing, the ME-SRAM cell is integrated into a novel processing-in-SRAM architecture that exploits a hardware-optimized bit-line computing approach for the execution of Boolean logic operations between operands housed in a memory sub-array within a single clock cycle. Our device-to-architecture evaluation results on Binary convolutional neural network acceleration show the robust performance of ME- SRAM while reducing energy consumption on average by a factor of 5.3 times compared to the best in-SRAM designs.

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