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首页> 外文期刊>Journal of Nanoengineering and Nanomanufacturing >Designing Conservative Reversible N-Bit Binary Comparator for Emerging Quantum-Dot Cellular Automata Nano Circuits
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Designing Conservative Reversible N-Bit Binary Comparator for Emerging Quantum-Dot Cellular Automata Nano Circuits

机译：设计用于量子点元胞自动机纳米电路的保守可逆N位二进制比较器

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摘要

The quantum-dot cellular automata (QCA) has more advantages than CMOS regarding area and power. This work targets a conservative reversible comparator and its realization in QCA. In this work, we construct a conservative reversible comparator with an optimal value of reversible metrics. In state to design, three conservative reversible gates, namely PPC, PPNG-1 and PPNG-2 (PP = parity-preserving, C = comparator, N = new, G = gate), are proposed. Furthermore, the quantum equivalent of 1-bit and 2-bit comparator is presented. The proposed concept has been implemented through an algorithm for the n-bit comparator. Also, PPC workability is tested in QCA. The PPC has been performing 1-bit comparator result with minimum area, cell complexity, and latency, which is found to be 0.52 μm~2, 387 and 1 respectively. In addition, the complete energy dissipation analysis to explore such as a thermal layout map of PPC is also presented in this paper. Further, average energy dissipation v's kink energy, maximum energy dissipation v's kink energy, minimum energy dissipation v's kink energy and average output node polarization v's temperature are provided in this paper. The proposed comparator forwards an improved ratio of 33.33% in gate count and ranging from 27.27% to 29.35% in garbage outputs than its counterparts circuits, which ensure more scalable.
机译：就面积和功率而言，量子点细胞自动机（QCA）比CMOS具有更多优势。这项工作的目标是一个保守的可逆比较器及其在QCA中的实现。在这项工作中，我们构造了一个具有可逆指标最佳值的保守可逆比较器。在设计状态下，提出了三个保守的可逆门，即PPC，PPNG-1和PPNG-2（PP =保持奇偶校验，C =比较器，N =新，G =门）。此外，给出了1位和2位比较器的量子等效性。所提出的概念已通过用于n位比较器的算法实现。而且，PPC的可操作性已在QCA中进行了测试。 PPC一直在以最小的面积，单元复杂度和等待时间执行1位比较器结果，发现分别为0.52μm〜2、387和1。此外，本文还介绍了要探索的完整能量耗散分析，例如PPC的热布局图。此外，本文提供了平均能耗v的扭结能量，最大能耗v的扭结能量，最小能耗v的扭结能量和平均输出节点极化v的温度。与同类电路相比，拟议的比较器将门数提高了33.33％，垃圾输出的范围从27.27％降至29.35％，从而确保了更高的可扩展性。

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