Volume 18, Issue 1 (JIAEEE Vol.18 No.1 2021)                   Journal of Iranian Association of Electrical and Electronics Engineers 2021, 18(1): 71-80 | Back to browse issues page

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Binaei R, Gholami M. Introducing New Structures for D-Type Latch and Flip-Flop in Quantum-Dot Cellular Automata Technology and its Use in Phase-Frequency Detector, Frequency Divider and Counter Circuits. Journal of Iranian Association of Electrical and Electronics Engineers 2021; 18 (1) :71-80
URL: http://jiaeee.com/article-1-934-en.html
Introducing New Structures for D-Type Latch and Flip-Flop in Quantum-Dot Cellular Automata Technology and its Use in Phase-Frequency Detector, Frequency Divider and Counter Circuits
Reza Binaei , Mohammad Gholami *
University of Mazandaran
Abstract:   (2701 Views)
Quantum-dot cellular automata (QCA) technology is an alternative to overcoming the constraints of CMOS technology. In this paper, a new structure for D-type latch is presented in QCA technology with set and reset terminals. The proposed structure, despite having the set and reset terminals, has only 35 quantum cells, a delay equal to half a cycle of clocks and an occupied area of ​​39204 nm2. Then, this structure has been used to implement D-type flip-flops that are sensitive to the rising, falling, and both edges. For example, the proposed structure of the rising edge D-type flip-flop has a 55 quantum cells with a delay of 0.75 clock cycles and an occupied area of ​​61404 nm2. In order to prove the proposed circuit behavior in more complex circuits, these structures have been used in the form of phase-frequency detectors, frequency dividers, and counters. Simulation of power parameters has been done for proposed structures.
Keywords: Quantum-dot cellular automata, Delay, Latch, Flip-Flop, Phase-Frequency Detector, Counter
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Type of Article: Research | Subject: Electronic
Received: 2019/07/1 | Accepted: 2020/04/20 | Published: 2021/03/21
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