Volume 2 Number 4 (Aug. 2010)
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IJCEE 2010 Vol.2 (4): 666-672 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2010.V2.209

Digital Combinational Circuits Design with the Help of Symmetric Functions Considering Heat Dissipation by Each QCA Gate

Pijush Kanti Bhattacharjee

Abstract—Different logic gates like MV, NOT, AOI, NNI etc under QCA nanotechnology are introduced. NNI gate is highly effective regarding space and speed consideration. In earlier work, realizing symmetric functions in binary reversible logic is studied. In that, 2-inputs and 2-outputs AND-NAND and OR-NOR cells are designed. Ultimately a general equation for the minimum number of gates required to an arbitrary number of input variables causing synthesis of symmetric function is achieved. In current work, I compare the heat dissipation due to the garbage outputs for designing different combinational digital circuits with the help of symmetric functions realized circuits. It provides a significant reduction in hardware cost and switching delay with respect to the other existing techniques.

Index Terms—Majority Voter (MV) gate, And-Or-Inverter(AOI) gate, Nand-Nor-Inverter (NNI) gate, 2-Inputs and2-Outputs AND-NAND (A-NA) gate, 2-Inputs and 2-OutputsOR-NOR (O-NO) gate, Symmetric Function, Adder circuit.

Cite: Pijush Kanti Bhattacharjee, "Digital Combinational Circuits Design with the Help of Symmetric Functions Considering Heat Dissipation by Each QCA Gate," International Journal of Computer and Electrical Engineering vol. 2, no. 4, pp. 666-672, 2010.

General Information

ISSN: 1793-8163
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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