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Towards Multilayer QCA SISO Shift Register Based on Efficient D-FF Circuits

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Abstract

Quantum-dot Cellular Automata (QCA) is a new technology for replacing CMOS technology at nano-scale dimansion. Shift registers have commonly used circuit in the digital circuits design. In this paper, a new 3-bit Serial Input-Serial Output (SISO) QCA shift register is presented. The proposed circuit uses 3 novel D-Flip-Flops (D-FFs) that are developed in this paper. The proposed circuits are implemented by using QCADesigner tool version 2.0.3. The developed QCA SISO shift register has 120 cells and 0.03 μm2 area. The results show that the developed circuits have advantages compared to other QCA circuits in terms of area.

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Authors and Affiliations

  1. ACECR Institute of Higher Education, Isfahan Branch, Isfahan, 84175-443, Iran

    Mojtaba Niknezhad Divshali, Abdalhossein Rezai & Asghar Karimi

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  1. Mojtaba Niknezhad Divshali
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  2. Abdalhossein Rezai
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  3. Asghar Karimi
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Correspondence to Abdalhossein Rezai.

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Divshali, M.N., Rezai, A. & Karimi, A. Towards Multilayer QCA SISO Shift Register Based on Efficient D-FF Circuits. Int J Theor Phys 57, 3326–3339 (2018). https://doi.org/10.1007/s10773-018-3846-8

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  • DOI: https://doi.org/10.1007/s10773-018-3846-8

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