Spin Wave Threshold Majority Gate

Arne Van Zegbroeck, Florin Ciubotaru, Pantazis Anagnostou, Fanfan Meng, Christoph Adelmann, Said Hamdioui, Sorin Cotofana

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

Abstract

Current Spin Wave (SW) state-of-the-art computing relies on wave interference for achieving low power circuits. Despite recent progress, many hurdles, e.g., gate cascading, fan-out achievement, still exist. In a previous work, we introduced a novel SW phase shift based computation paradigm and demonstrated that an n-input Threshold Logic Gate (TLG) can be implemented with n + 1 phase shifters operating on the same SW. In this paper we further develop this concept by introducing a phase shift amount reading method by means of parametric amplification. We make use of 3-input Majority Gate (MAJ3) as discussion vehicle and introduce a novel majority function evaluation approach which postpone the threshold related calculations to the gate output readout stage. Subsequently, we verify this principle by means of micromagnetic simulations and discus the results. Finally, we utilize the proposed MAJ3 gate to implement a collection of representative logic circuits from the EPFL Combinational Benchmarking Suite and evaluate and compare their area, energy consumption, and Energy Area Product (EAP) with the ones of 7 nm CMOS technology node based counterpart imple-mentations. Our estimations indicate that EAPCMOS/EAPSW average value is 5.25 and 2.2 for a SW transducer feature size of 20 nm and 30 nm, respectively.

Original languageEnglish
Title of host publication2024 IEEE 24th International Conference on Nanotechnology, NANO 2024
PublisherIEEE
Pages615-619
Number of pages5
ISBN (Electronic)9798350386240
DOIs
Publication statusPublished - 2024
Event24th IEEE International Conference on Nanotechnology, NANO 2024 - Gijon, Spain
Duration: 8 Jul 202411 Jul 2024

Publication series

NameProceedings of the IEEE Conference on Nanotechnology
ISSN (Print)1944-9399
ISSN (Electronic)1944-9380

Conference

Conference24th IEEE International Conference on Nanotechnology, NANO 2024
Country/TerritorySpain
CityGijon
Period8/07/2411/07/24

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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