Fan-out of 2 Triangle Shape Spin Wave Logic Gates

Abdulqader Mahmoud, Christoph Adelmann, Frederic Vanderveken, Sorin Cotofana, Florin Ciubotaru, Said Hamdioui

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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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, and 16 nm and 7 nm CMOS logic gates. 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 of 43x-0.8x when compared to the 16 nm and 7 nm CMOS counterparts while having delay overhead of 11x-40x.
Original languageEnglish
Title of host publication2021 Design, Automation & Test in Europe Conference & Exhibition (DATE)
Place of PublicationPiscataway
Number of pages6
ISBN (Electronic)978-3-9819263-5-4
ISBN (Print)978-1-7281-6336-9
Publication statusPublished - 2021
Event2021 Design, Automation & Test in Europe Conference & Exhibition (DATE) - Virtual, Virtual/Grenoble, France
Duration: 1 Feb 20215 Feb 2021


Conference2021 Design, Automation & Test in Europe Conference & Exhibition (DATE)
Abbreviated titleDATE'21
Internet address


  • Spin-wave
  • Spin-wave Computation Paradigm
  • Triangle Shape Logic Gate
  • Fan-out
  • Energy Efficiency


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