Abstract
Quantum dot cellular automata (QCA) is a current low-power nano-technology that is an effective replacement of popular CMOS technology in this recent nano-technical digital world. The QCA offers high-speed yet less complex digital circuitry. Further, QCA supports multilayer design with reversibility. In this paper, a novel nano-sized, high-speed temperature tolerance low-power multi-bit (4 bit and 8 bit) shift register with parallel-in parallel-out (PIPO) operation is designed in multilayer QCA platform using less complex reversible ‘D’ flip-flop. In this proposed design, the pipelined structure is not used up to 4 bit. Two 4-bit registers are placed in a pipelined manner to form an 8-bit structure. QCA designer software is mainly used in this research work to get the QCA-based designs and then check and calculate the required parameters. To establish the novelty of the proposed design, a parametric comparison among this proposed design and most optimized existing designs is shown in this paper based on the parameters like occupied area, cell complexity, cost, and delay.
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Roy, R., Sarkar, S., Dhar, S. (2023). Design and Implementation of an Efficient QCA-Based Multilayer Multi-Bit Parallel Shift Register Using Reversible Level-Sensitive ‘D’ Flip-Flop. In: Dhar, S., Do, DT., Sur, S.N., Liu, H.CM. (eds) Advances in Communication, Devices and Networking. Lecture Notes in Electrical Engineering, vol 902. Springer, Singapore. https://doi.org/10.1007/978-981-19-2004-2_6
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DOI: https://doi.org/10.1007/978-981-19-2004-2_6
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