Design and analysis of an energy efficient and compact two-dimensional two-dot one-electron quantum-dot cellular automata-based ripple carry adder Online publication date: Wed, 01-Feb-2017
by Kakali Datta; Debarka Mukhopadhyay; Paramartha Dutta
International Journal of Convergence Computing (IJCONVC), Vol. 2, No. 2, 2016
Abstract: Quantum-dot cellular automata (QCA) is a post-CMOS upcoming technology in the nanotechnology domain. Design of different QCA-based circuits is on the top agenda of research community to overcome the limitations of CMOS counterpart in respect of off-state leakage current, energy and power efficiency, and minimum dimension requirement of fabrication. Accordingly, in the present scope, we are trying to explore a design and analysis of a two-dot one-electron QCA-based circuit for ripple carry adder. In course of our detailed description of our article, we have tried to justify the effectiveness of the QCA-based circuit in comparison to CMOS-based counterpart. Our analysis includes derivation of energy and power requirement for such a two-dimensional two-dot one-electron QCA circuit-related issues. Moreover, it will be evident that the proposed architecture is compact if the cells used are square in shape.
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