QCA Realization of Reversible Gates Using Layered T Logic Reduction Technique

Chiradeep Mukherjee, Saradindu Panda, A. Mukhopadhyay, B. Maji
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引用次数: 1

Abstract

Quantum-dot cellular automata (QCA) becomes a promising model of computation as it possesses extreme-high packing density, ultra-high speed and low power dissipation for various nanoscale computing architectures. In this work, QCA based designs of Feynman, Toffoli, Fredkin and Peres gates are presented. These elementary gates are realized by utilizing layered T logic reduction technique. The QCA designs are evaluated in terms of QCA design metrics like the number of quantum cells, area, and delay. The analysis shows significant improvements over existing models in terms of QCA design metrics. As a result, the proposed layered T based QCA layouts of elementary reversible gates become an excellent candidate for developing multilevel reversible circuits.
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用分层T逻辑约简技术实现可逆门的QCA
量子点元胞自动机(Quantum-dot cellular automata, QCA)具有极高的填充密度、超高速和低功耗等特点,适合各种纳米级计算架构,是一种很有前途的计算模型。本文介绍了基于QCA的Feynman、Toffoli、Fredkin和Peres门的设计。这些基本门是利用分层T逻辑约简技术实现的。QCA设计是根据QCA设计指标(如量子单元的数量、面积和延迟)来评估的。分析显示了在QCA设计度量方面对现有模型的显著改进。因此,所提出的基于分层T的基本可逆门的QCA布局成为开发多电平可逆电路的理想选择。
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