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Novel efficient full adder and full subtractor designs in quantum cellular automata

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Abstract

In this study, two new full adder/full subtractor designs based on quantum-dot cellular automata technology have been proposed. By means of the presented equation for SUM and SUBTRACT operations, the new high-speed, low power, and cost efficient designs have been achieved. Even if the three-level design has a lower cell count, occupies less area, and operates at a higher speed, the one-layer design is far more feasible. Analysis of the temperature and energy consumption of the proposed design indicates that the proposed approaches are superior to those of previous works.

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Acknowledgements

The authors would like to thank Dr. Mona Moradi for her literature contribution.

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Authors and Affiliations

  1. Faculty of Computer Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran

    Mostafa Sadeghi

  2. Faculty of Computer Science and Engineering, Shahid Beheshti University, G.C., Tehran, Iran

    Keivan Navi

  3. Department of Electrical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran

    Mehdi Dolatshahi

Authors
  1. Mostafa Sadeghi
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  2. Keivan Navi
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  3. Mehdi Dolatshahi
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Correspondence to Keivan Navi.

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Sadeghi, M., Navi, K. & Dolatshahi, M. Novel efficient full adder and full subtractor designs in quantum cellular automata. J Supercomput 76, 2191–2205 (2020). https://doi.org/10.1007/s11227-019-03073-4

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