Nanomagnetic logic design approach for area and speed efficient adder using ferromagnetically coupled fixed input majority gate

Sivasubramani, Santhosh and Mattela, Venkat and Pal, Chandrajit and Acharyya, Amit (2019) Nanomagnetic logic design approach for area and speed efficient adder using ferromagnetically coupled fixed input majority gate. Nanotechnology, 30 (37). 37LT02. ISSN 0957-4484

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Abstract

In this letter, we introduce the magnetic quantum-dot cellular automata (MQCA) based area and speed efficient design approach for nanomagnetic full adder implementation. We exploited the physical properties of three input MQCA majority gate (MG), where the fixed input of the MG is coupled ferromagnetically to one of the primary input operands. Subsequently we propose a design methodology, mapping logic and micromagnetic software implementation, validation of the binary full adder architecture built using two-three inputs MQCA MGs. In addition, we also analyzed our proposed design for switching errors to ensure bit stability and reliability. Our proposed design leads to ∼36%-69% reduction in the number of nanomagnets, ∼50%-75% reduction in the number of clock cycles and ∼33%-50% reduction in the number of MG operations required for the binary full adder implementation compared to the state of art designs.

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IITH Creators:
IITH CreatorsORCiD
Acharyya, Amithttp://orcid.org/0000-0002-5636-0676
Item Type: Article
Uncontrolled Keywords: binary full adder, ferromagnetic coupling, in-plane magnetization, magnetic quantum-dot cellular Automata, nanomagnetic computing, positional anisotropy, shape anisotropy
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 14 Aug 2019 07:14
Last Modified: 14 Aug 2019 07:14
URI: http://raiith.iith.ac.in/id/eprint/5932
Publisher URL: http://doi.org/10.1088/1361-6528/ab295a
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