Adder circuit design using quantum-dot cellular automata
by Sahar Ghanbary; Mehrdad Maeen; Majid Haghparast
International Journal of Circuits and Architecture Design (IJCAD), Vol. 2, No. 3/4, 2016

Abstract: In this discussion, we review quantum cellular automaton and base structures in QCA. We study full-adders having different number of gates performed until now. We also study QCA designer simulator with some design simulated using this software. Full-adders performed in QCA designer until now are of single and multi-layer types. In this research, we propose a one-bit one-layer full-adder with more efficiency in circuit performance. Through decreased number of cells, we managed to increase circuit performance velocity, and decrease space and expenses needed to produce it. The proposed circuit proved to have better efficiency. We conclude that the less number of cells we use in design of a full-adder, we obtain a full-adder with less delay, less space, less cost, more performance velocity, and on the whole, more efficiency.

Online publication date: Mon, 05-Feb-2018

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