Design of novel multiplexer circuits in QCA nanocomputing | Zendy

Hamid Rashidi | Zendy; Abdalhossein Rezai | Zendy

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Design of novel multiplexer circuits in QCA nanocomputing

Author(s) -

Hamid Rashidi,

Abdalhossein Rezai

Publication year - 2021

Publication title -

facta universitatis - series electronics and energetics

Language(s) - English

Resource type - Journals

eISSN - 2217-5997

pISSN - 0353-3670

DOI - 10.2298/fuee2101105r

Subject(s) - multiplexer , electronic circuit , electronic engineering , computer science , demultiplexer , cmos , digital electronics , quantum dot cellular automaton , multiplexing , electrical engineering , engineering

Quantum-dot Cellular Automata (QCA) technology is a promising alternative nano-scale technology for CMOS technology. In digital circuits, a multiplexer is one of the most important components. In this study, an efficient and single layer 2 to 1 QCA multiplexer circuit is proposed using majority gate and inverter gate. In addition, efficient 4 to 1 and 8 to 1 QCA multiplexer circuits are implemented using this 2 to 1 multiplexer circuit. The developed multiplexer circuits are implemented in QCADesigner tool. According to the results, the developed 2 to 1, 4 to 1, and 8 to 1 multiplexer circuits utilize 16 (0.01?m2), 96 (0.11?m2), and 286 (0.43?m2) QCA cell (area). The results demonstrate that the proposed 8 to 1 multiplexer circuit reduces the cost by about 25%- 99% compared to the existing multiplexer circuits.

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