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Novel Circuits Design for SISO Shift Register in QCA Technology
Journal of Circuits, Systems and Computers ( IF 1.5 ) Pub Date : 2021-03-31 , DOI: 10.1142/s0218126621502030
Mojtaba Niknezhad Divshali 1 , Abdalhossein Rezai 1
Affiliation  

The quantum-dot cellular automata technology has great attention in nanoscale digital circuits design due to its high-speed and high-dense. Shift registers play vital role in digital circuits design. So, efficient implementation of shift register circuits in this technology is in the focal point of researches in digital circuits design. In this study, new structures are proposed for the shift register circuits in single layer, three layers and five layers based on inherent quantum-dot cellular automata clock. The QCADesigner tool version 2.0.3 is employed for simulation and verification of functionality of the proposed structures for the serial-input-serial-output shift register circuits. The results demonstrate that the developed 3-bit, 4-bit and 5-bit coplanar shift register circuits require 32, 44 and 56 cells, respectively. The comparison results demonstrate that the developed circuits provide advantages compared to other circuits in terms of area, cell count, clock cycles and cost.

中文翻译:

QCA技术中SISO移位寄存器的新型电路设计

量子点元胞自动机技术由于其高速、高密度等特点,在纳米级数字电路设计中备受关注。移位寄存器在数字电路设计中起着至关重要的作用。因此,移位寄存器电路在该技术中的高效实现是数字电路设计研究的重点。本研究基于固有的量子点元胞自动机时钟,提出了单层、三层和五层移位寄存器电路的新结构。QCADesigner 工具 2.0.3 版用于仿真和验证串行输入串行输出移位寄存器电路的建议结构的功能。结果表明,开发的 3 位、4 位和 5 位共面移位寄存器电路分别需要 32、44 和 56 个单元。
更新日期:2021-03-31
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