Performance Analysis and Design of Full Adder in Quantum-dot Cellular Automata

被引：0
|
作者：
Sun M.-B. [1 ]
Lü H.-J. [1 ]
Zhang Y.-Q. [1 ]
Xie G.-J. [1 ]
机构：
[1] School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, 230009, Anhui
来源：
Xie, Guang-Jun (gjxie8005@hfut.edu.cn) | 1774年 / Chinese Institute of Electronics卷 / 46期
关键词：
Full adder; Probabilistic transfer matrix; Quantum-dot cellular automata; Reliability;
D O I：
10.3969/j.issn.0372-2112.2018.07.034
中图分类号：
学科分类号：
摘要：
Quantum-dot cellular automata (QCA), a burgeoning technology at nano-scale range, has the potential to take the important place of CMOS technology to be the next IC technique. In this paper, three existing schemes of QCA full adders (FAs) are analyzed in detail using probabilistic transfer matrix (PTM) to find out the most robust one. Three types of n-bit carry flow adders connected serially by these three FAs respectively are also analyzed in terms of complexity, irreversible power dissipation and cost to find out the corresponding FA scheme with best performance. It turns out that MR Azghadi FA always performs well by these two means. With MR Azghadi FA layout, a new logic gate and coplanar QCA FA are then proposed. Analysis and comparison with previous coplanar FAs demonstrate that the proposed FA has a great optimization with respect to area, cell count and power dissipation and also has favorable scalability. © 2018, Chinese Institute of Electronics. All right reserved.
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页码：1774 / 1780
页数：6
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