Abstract
Quantum-dot Cellular automata (QCA) is nanotechnology that can be acquired to replace transistor-based design. The approach of transistor is based on charge transport; the primitive element in QCA is a cell; the communication between cells is solely Columbic hence there is no physical transport of charge. The major feature includes higher packaging density and lower power consumption. QCA cell-based structures can implement the logic gates, wires, memory units, combinational and sequential logic circuits. Digital logic design employing QCA cell is the main focus of this paper. In this paper, structure for Exclusive OR operation is proposed with primary goal of application in adder circuit to reduce the area. QCA designer is the EDA tool used for implementation and functional verification of the proposed structures.
Published Version
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