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Fanout of 2 Triangle Shape Spin Wave Logic Gates

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posted on 27.09.2021, 15:53 by Abdulqader MahmoudAbdulqader Mahmoud, Frederic Vanderveken, Florin Ciubotaru, Christoph Adelmann, Sorin Cotofana, Said Hamdioui
Having multi-output logic gates saves much energy because the same structure can be used to feed multiple inputs of next stage gates simultaneously. This paper proposes novel triangle shape fanout of 2 spin wave Majority and XOR gates; the Majority gate is achieved by phase detection, whereas the XOR gate is achieved by threshold detection. The proposed logic gates are validated by means of micromagnetic simulations. Furthermore, the energy and delay are estimated for the proposed structures and compared with the state-of-the-art spin wave logic gates, and 16nm and 7nm CMOS. The results demonstrate that the proposed structures provide energy reduction of 25%-50% in comparison to the other 2-output spin-wave devices while having the same delay, and energy reduction between 43x and 0.8x when compared to the 16nm and 7nm CMOS while having delay overhead between 11x and 40x.

Funding

This project has received funding from the European Union's Horizon 2020 research and innovation program under grant agreement No. 801055 "Spin Wave Computing for Ultimately-Scaled Hybrid Low-Power Electronics" CHIRON

History

Email Address of Submitting Author

abdulqader.mahmoud@hotmail.com

ORCID of Submitting Author

0000-0002-7507-5993

Submitting Author's Institution

Delft University of Technology

Submitting Author's Country

Netherlands