Optimum multiplexer design in quantum-dot cellular automata

Esam AlKaldy, Ali H Majeed, Mohd Shamian Zainal, Danial MD Nor

Abstract


Quantum-dot Cellular Automata (QCA) is one of the most important computing technologies for the future and will be the alternative candidate for current CMOS technology. QCA is attracting a lot of researchers due to many features such as high speed, small size, and low power consumption. QCA has two main building blocks (majority gate and inverter) used for design any Boolean function. QCA also has an inherent capability that used to design many important gates such as XOR and Multiplexer in optimal form without following any Boolean function. This paper presents a novel design 2:1 QCA-Multiplexer in two forms. The proposed design is very simple, highly efficient and can be used to produce many logical functions. The proposed design output comes from the inherent capabilities of quantum technology. New 4:1 QCA-Multiplexer has been built using the proposed structure. The output waveforms showed the wonderful performance of the proposed design in terms of the number of cells, area, and latency.


Keywords


Nanotechnology, QCA, Multiplexer, Quantum-dot Cellular Automata

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DOI: http://doi.org/10.11591/ijeecs.v17.i1.pp148-155
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