Compact Spintronic Muller C-Element with Near-Zero Standby Energy

Steven D. Pyle, Deliang Fan, Ronald F. DeMara

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The complementary roles of asynchronous architecture with nonvolatile spintronic devices are explored herein to realize a novel asynchronous logic element. By redesigning the Muller C-element to take advantage of spintronic device non-volatility and area efficiency, benefits such as reduced asynchronous handshaking area overhead, are achieved in addition to instant on/off capabilities for reduced static-power dissipation through power gating. We propose a novel eight transistor and one spintronic device Muller C-element design which is 20% faster and uses 68% of the power of previous non-volatile Muller C-element designs. This spintronic Muller C-element is demonstrated within a four-phase dual-rail asynchronous pipeline resulting in 48% fewer transistors in comparison with the previous designs. Additionally, bundled-data protocol overhead is shown to be reduced by using the spintronic Muller C-element proposed herein. Detailed analysis of the effects of driving transistor width and the tunneling magnetoresistance ratio on device performance characteristics is included.

Original languageEnglish (US)
Article number8241792
JournalIEEE Transactions on Magnetics
Volume54
Issue number2
DOIs
StatePublished - Feb 2018
Externally publishedYes

Keywords

  • Asynchronous circuits
  • magnetic devices
  • magnetic domain walls
  • spintronics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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