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

Keywords

Asynchronous circuits; magnetic devices; magnetic domain walls; spintronics

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.

Publication Date

2-1-2018

Publication Title

IEEE Transactions on Magnetics

Volume

54

Issue

2

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1109/TMAG.2017.2766600

Socpus ID

85040031752 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85040031752

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