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:: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies

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ISSN 2228-9860
eISSN 1906-9642
CODEN: ITJEA8


FEATURE PEER-REVIEWED ARTICLE

Vol.13(12)(2022)

  • Design and Simulation of Reversible Time-Synchronized Quantum-Dot Cellular Automata Combinational Logic Circuits with Ultralow Energy Dissipation

    Mohammed Alharbi , Gerard Edwards , (Department of Electrical and Electronic Engineering, Faculty of Engineering and Technology, Liverpool John Moores University, Liverpool, UK ),
    Richard Stocker (Department of Computer Science, Electronics and Electrical Engineering, Faculty of Science and Engineering, University of Chester, Chester, UK).

    Discipline: Electrical Engineering

    ➤ FullText

    doi: 10.14456/ITJEMAST.2022.240

    Keywords: QCA reversible circuits; time synchronization; ultralow energy dissipation level; quantum-dot cellular automata

    Abstract
    The quantum-dot cellular automata (QCA) represent emerging nanotechnology that is poised to supersede the current complementary metal-oxide-semiconductor digital integrated circuit technology. QCA constitutes an extremely promising transistor-less paradigm that can be downscaled to the molecular level, thereby facilitating tera-scale device integration and extremely low energy dissipation. Reversible QCA circuits, which have reversibility sustained down from the logical level to the physical level, can execute computing operations dissipating less energy than the Landauer energy limit (kBTln2). Time synchronization of logic gates is an essential additional requirement, especially in cases involving complex circuits, for ensuring accurate computational results. This paper reports the design and simulation of eight new both logically and physically reversible time-synchronized QCA combinational logic circuits. The new circuit design presented here mitigates the clock delay problems, which are caused by the non-synchronization of logic gate information, via the use of an inherently more symmetric circuit configuration. The simulation results confirm the behaviour of the proposed reversible time-synchronized QCA combinational logic circuits which exhibit ultralow energy dissipation and simultaneously provide accurate computational results.

    Paper ID: 13A12I

    Cite this article:

    Alharbi, M., Edwards, G., Stocker, R. (2022). Design and Simulation of Reversible Time-Synchronized Quantum-Dot Cellular Automata Combinational Logic Circuits with Ultralow Energy Dissipation. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies, 13(12), 13A12I, 1-22. http://TUENGR.COM/V13/13A12I.pdf DOI: 10.14456/ITJEMAST.2022.240

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Other issues:
Vol.13(11)(2022)
Vol.13(10)(2022)
Vol.13(9)(2022)
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