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An Ultra-Energy-Efficient Reversible Quantum-Dot Cellular Automata 8:1 Multiplexer Circuit
Alharbi, Mohammed Edwards, Gerard Stocker, Richard
Alharbi, Mohammed
Edwards, Gerard
Stocker, Richard
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2024-01-16
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Abstract
Energy efficiency considerations in terms of reduced power dissipation are a significant issue in the design of digital circuits for very large-scale integration (VLSI) systems. Quantum-dot cellular automata (QCA) is an emerging ultralow power dissipation approach, distinct from traditional, complementary metal-oxide semiconductor (CMOS) technology, for building digital computing circuits. Developing fully reversible QCA circuits has the potential to significantly reduce energy dissipation. Multiplexers are fundamental elements in the construction of useful digital circuits. In this paper, a novel, multilayer, fully reversible QCA 8:1 multiplexer circuit with ultralow energy dissipation is introduced. The power dissipation of the proposed multiplexer is simulated using the QCADesigner-E version 2.2 tool, describing the microscopic physical mechanisms underlying the QCA operation. The results show that the proposed reversible QCA 8:1 multiplexer consumes 89% less energy than the most energy-efficient 8:1 multiplexer circuit previously presented in the literature.
Citation
Alharbi, M., Edwards, G., & Stocker, R. (2024). An ultra-energy-efficient reversible quantum-dot cellular automata 8:1 multiplexer circuit. Quantum Reports, 6(1), 41-57. https://doi.org/10.3390/quantum6010004
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MDPI
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Quantum Reports
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Article
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2624-960X