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Chinese Physics Letters 2002年第11期19卷 1579-1580页

作者：张圣醒龙桂鲁等 DepartmentofPhysics TsinghuaUniversityBeijing100084 KeyLaboratoryforQuantumInformationandMeasurements MinistryofEducationBeijing100084 CenterforAtomicandMolecularNanosciences T

We design a scheme to perform additions of N remote addends. This adder is useful for some quantum information processing purposes, such as statistics and multi-party quantum game. The quantum remote adder is construc... 详细信息

关键词： adders

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Adder design using a 5-input majority gate in a novel “multilayer gate design paradigm” for quantum dot cellular automata circuits

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Journal of Semiconductors 2015年第4期36卷 95-103页

作者： Rohit Kumar Bahniman Ghosh Shoubhik Gupta Department of Electrical Engineering Indian Institute of Technology Kanpur Microelectronics Research Center 10100Burnet RoadBldg. 160University of Texas at Austin University of Glasgow

This paper proposes a novel design paradigm for circuits designed in quantum dot cellular automata （QCA） technology. Previously reported QCA circuits in the literature have generally been designed in a single layer which is the main logical block in which the inverter and majority gate are on the base layer, except for the parts where multilayer wire crossing was used. In this paper the concept of multilayer wire crossing has been extended to design logic gates in multilayers. Using a 5-input majority gate in a multilayer, a 1-bit and 2-bit adder have been designed in the proposed multilayer gate design paradigm. A comparison has been made with some adders reported previously in the literature and it has been shown that circuits designed in the proposed design paradigm are much more efficient in terms of area, the requirement of QCA cells in the design and the input-output delay of the circuit. Over all, the availability of one additional spatial dimension makes the design process much more flexible and there is scope for the customizability of logic gate designs to make the circuit compact.

关键词： multilayer gate design QCA adders MUX 5-input majority voter

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