Low-energy spin-orbit torque MTJ-based non-volatile flip-flop with data-aware backup technique

G. Kang, T. Kim, J. Park

Research output: Contribution to journalArticle

Abstract

Spin-orbit torque magnetic tunnel junction (MTJ) based non-volatile flip-flops (NVFFs) have been introduced to provide zero-leakage standby state without data loss in power-gating mode. In this Letter, the data-aware backup scheme for NVFF, where significant energy can be saved by performing data backup only when the stored data and the current data are different is proprosed. Low-area backup signal generator is also proposed for the proposed data backup scheme. The simulation results with 65 nm process show 88.7% reduction in backup energy when the stored data and the current data are equal.

Original languageEnglish
Pages (from-to)1178-1180
Number of pages3
JournalElectronics Letters
Volume55
Issue number22
DOIs
Publication statusPublished - 2019 Oct 31

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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