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摘要:
Quantum-dot cellular automaton (QCA) is an emerging, promising, future generation nanoelectronic computational architecture that encodes binary information as electronic charge configuration of a cell. It is a digital logic architecture that uses single electrons in arrays of quantum dots to perform binary operations. Fundamental unit in building of QCA circuits is a QCA cell. A QCA cell is an elementary building block which can be used to build basic gates and logic devices in QCA architectures. This paper evaluates the performance of various implementations of QCA based XOR gates and proposes various novel layouts with better performance parameters. We presented the various QCA circuit design methodology for XOR gate. These layouts show less number of crossovers and lesser cell count as compared to the conventional layouts already present in the literature. These design topologies have special functions in communication based circuit applications. They are particularly useful in phase detectors in digital circuits, arithmetic operations and error detection & correction circuits. The comparison of various circuit designs is also given. The proposed designs can be effectively used to realize more complex circuits. The simulations in the present work have been carried out using QCADesigner tool.
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篇名 Performance Evaluation of Efficient XOR Structures in Quantum-Dot Cellular Automata (QCA)
来源期刊 电路与系统(英文) 学科 医学
关键词 Nanoelectronics Quantum Cellular AUTOMATA (QCA) MAJORITY LOGIC Combinational LOGIC XOR Gate QCA DESIGNER
年,卷(期) 2013,(2) 所属期刊栏目
研究方向 页码范围 147-156
页数 10页 分类号 R73
字数 语种
DOI
五维指标
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研究主题发展历程
节点文献
Nanoelectronics
Quantum
Cellular
AUTOMATA
(QCA)
MAJORITY
LOGIC
Combinational
LOGIC
XOR
Gate
QCA
DESIGNER
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
电路与系统(英文)
月刊
2153-1285
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
286
总下载数(次)
0
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