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Keywords = Peres gates

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24 pages, 12149 KiB  
Article
Efficient Design of Reversible Adder and Multiplier Using Peres Gates
by Premanand K. Kadbe and Shriram D. Markande
Appl. Sci. 2024, 14(20), 9385; https://doi.org/10.3390/app14209385 - 15 Oct 2024
Cited by 1 | Viewed by 1977
Abstract
This paper details the approach to the efficient design and optimization of a reversible adder and multiplier utilizing Peres gates, which is a three-input, three-output gate. Peres gates are recognized for their universality and energy-efficient properties and present an intriguing option for constructing [...] Read more.
This paper details the approach to the efficient design and optimization of a reversible adder and multiplier utilizing Peres gates, which is a three-input, three-output gate. Peres gates are recognized for their universality and energy-efficient properties and present an intriguing option for constructing reversible circuits. Reversible logic is characterized by its ability to uniquely determine input states from output states. The design methodology involves a cascading arrangement of Peres gates, each performing a reversible XOR operation on corresponding bits of the input numbers and the carry-out from the preceding stage. This paper presents a detailed schematic representation, simulation results, and analysis of the proposed designs of different adders and multipliers, showcasing their potential for reversible applications. The integration of Peres gates in the adder and multiplier design signifies a step forward in the exploration of reversible logic circuits and their applications in contemporary computing paradigms. The overall hardware reduction is the main achievement of this research in terms of quantum cost. Full article
(This article belongs to the Section Quantum Science and Technology)
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25 pages, 17258 KiB  
Article
Novel Quantum-Dot Cellular Automata-Based Gate Designs for Efficient Reversible Computing
by Mohsen Vahabi, Ehsan Rahimi, Pavel Lyakhov, Ali Newaz Bahar, Khan A. Wahid and Akira Otsuki
Sustainability 2023, 15(3), 2265; https://doi.org/10.3390/su15032265 - 26 Jan 2023
Cited by 13 | Viewed by 3313
Abstract
Reversible logic enables ultra-low power circuit design and quantum computation. Quantum-dot Cellular Automata (QCA) is the most promising technology considered to implement reversible circuits, mainly due to the correspondence between features of reversible and QCA circuits. This work aims to push forward the [...] Read more.
Reversible logic enables ultra-low power circuit design and quantum computation. Quantum-dot Cellular Automata (QCA) is the most promising technology considered to implement reversible circuits, mainly due to the correspondence between features of reversible and QCA circuits. This work aims to push forward the state-of-the-art of the QCA-based reversible circuits implementation by proposing a novel QCA design of a reversible full adder\full subtractor (FA\FS). At first, we consider an efficient XOR-gate, and based on this, new QCA circuit layouts of Feynman, Toffoli, Peres, PQR, TR, RUG, URG, RQCA, and RQG are proposed. The efficient XOR gate significantly reduces the required clock phases and circuit area. As a result, all the proposed reversible circuits are efficient regarding cell count, delay, and circuit area. Finally, based on the presented reversible gates, a novel QCA design of a reversible full adder\full subtractor (FA\FS) is proposed. Compared to the state-of-the-art circuits, the proposed QCA design of FA\FS reversible circuit achieved up to 57% area savings, with 46% and 29% reduction in cell number and delay, respectively. Full article
(This article belongs to the Special Issue Sustainable and Optimal Manufacturing)
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