https://doi.org/10.1140/epjp/s13360-024-05141-y
Regular Article
Asynchronous counter in QCA technology using novel D flip-flop
1
Department of Electrical Engineering, Mazandaran University of Science and Technology, Babol, Iran
2
Department of Electrical Engineering, Faculty of Engineering and Technology, University of Mazandaran, Babolsar, Iran
Received:
31
December
2023
Accepted:
27
March
2024
Published online:
25
April
2024
A strong need for high-speed and low-power consumption devices seems inevitable due to the high speed of technological advancement in the field of microelectronics. Designers are highly interested in designing and making nanoscale devices. The Quantum Cellular Automaton (QCA) is known as one of these technologies, which makes it feasible to implement digital circuits with a high operating speed. In this paper a 4-bits counter, a 3-bits bidirectional counter, a 4-bits counter with a reset terminal, and a 4-bit counter with both set and reset terminals are designed using the proposed D-latch to demonstrate that these circuits function accurately in more complex circuits. According to the results, the area was respectively reduced by 8.33 and 15.38% with a 4.76% reduction in the delay rate in the proposed 4-bits counter and 3-bits bidirectional counter compared to the best previous designs. All the designs and simulation results are being done in the QCAPro and QCADesigner software.
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© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
