English

Nonvolatile SRAM architecture using MOSFET-based spin-transistors

Materials Science 2009-01-21 v1

Abstract

The authors proposed and computationally analyzed nonvolatile static random access memory (NV-SRAM) architecture using metal-oxide-semiconductor field-effect transistor (MOSFET) type of spin-transistors referred to as pseudo-spin-MOSFET (PS-MOSFET). PS-MOSFET is a new circuit approach to reproduce the functions of spin-transistors, based on recently progressed magnetoresistive random access memory (MRAM) technology. The proposed NV-SRAM cell can be simply configured by connecting two PS-MOSFETs to the storage nodes of a standard SRAM cell. The logic information of the storage nodes can be electrically stored into the magnetic tunnel junctions (MTJs) of the PS-MOSFETs by current-induced magnetization switching (CIMS), and the stored information is automatically restored when the inverter loop circuit wakes up. In addition, the proposed NV-SRAM cell has no influence on the performance of normal SRAM operations. Low power dissipation and high degree of freedom of MTJ design are also remarkable features for NV-SRAM using PS-MOSFETs.

Keywords

Cite

@article{arxiv.0901.2980,
  title  = {Nonvolatile SRAM architecture using MOSFET-based spin-transistors},
  author = {Yusuke Shuto and Shuu'ichirou Yamamoto and Satoshi Sugahara},
  journal= {arXiv preprint arXiv:0901.2980},
  year   = {2009}
}

Comments

12 pages, 4 figures

R2 v1 2026-06-21T12:02:41.896Z