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Improvement of QCA Full Adder Cell by Introducing the N~2M Gate

机译:通过引入N〜2M门来改进QCA全加法电池

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摘要

Quantum-dot Cellular Automata (QCA) is an emerging nanotechnology that promises faster speed, smaller size and lower power consumption compared to the transistor-based technology. The basic building blocks of QCA circuits are the majority voter (MV) and the inverter (INV). However, to enable designers to efficiently apply this nanotechnology, new logic-synthesis tools should be developed. In this paper, a NAND-NOR-MAJORITY (N~2M) gate structure is designed and simulated. Then a new Full Adder (FA) design is presented in which the proposed gate and other basic gates are used. Comparison of results illustrates significant improvements in terms of speed and area compared to traditional approaches. The results show that a design which is only based on Majority Gate can be optimized by using new methods and structured units beside the Majority Gate. All the circuits' layout and functionality checking are done using QCA Designer.
机译:量子点元胞自动机(QCA)是一种新兴的纳米技术,与基于晶体管的技术相比,它具有更快的速度,更小的尺寸和更低的功耗。 QCA电路的基本构建模块是多数表决器(MV)和逆变器(INV)。但是,为了使设计人员能够有效地应用这种纳米技术,应该开发新的逻辑综合工具。本文设计并仿真了一个“与非”(N〜2M)门结构。然后,提出了一种新的全加器(FA)设计,其中使用了建议的门和其他基本门。结果比较表明,与传统方法相比,速度和面积有了显着改善。结果表明,可以通过使用多数门旁边的新方法和结构化单元来优化仅基于多数门的设计。所有电路的布局和功能检查均使用QCA Designer完成。

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