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Low-Cost and Variation-Aware Spintronic Ternary Random Number Generator

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Abstract

In this paper, a ternary true random number generator (TTRNG) is designed and simulated using the stochastic behavior of the magnetic tunnel junction (MTJ) device at currents lower than the critical current and the adjustability of the threshold voltage carbon nanotube field effect transistors. The stochastic behavior of the MTJ ensures the generation of a truly random sequence, while the CNTFET threshold voltage adjustability enables the design and implementation of the ternary circuits. To ensure the equality of the ratio of numbers generated by the designed TTRNG and to avoid the influence of fabrication process variation, a post-processing block has been designed and used in the proposed TTRNG. The results of the simulations show that the proposed TTRNG occupies at least 47% lower area and consumes 42% lower power than the state-of-the-art counterparts. Also, the statistical analysis results show that the variation in the ratio of random numbers generated even in fabrication process variation is less than 5%.

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Data Availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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The authors received no financial support for this article's research, authorship, and publication.

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Authors and Affiliations

  1. Faculty of Electrical Engineering, Shahid Beheshti University, Tehran, Iran

    Fatemeh Khodayari & Mohammad Hossein Moaiyeri

  2. Department of Electrical and Computer Engineering, The George Washington University, Washington, DC, USA

    Abdolah Amirany

  3. Interdisciplinary Institute for Technological Innovation (3IT), Université de Sherbrooke, Sherbrooke, QC, Canada

    Kian Jafari

  4. Faculty of Engineering, Université de Sherbrooke, 2500 Boul. de l’Université, Sherbrooke, QC, Canada

    Kian Jafari

Authors
  1. Fatemeh Khodayari
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  2. Abdolah Amirany
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  3. Kian Jafari
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  4. Mohammad Hossein Moaiyeri
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Correspondence to Mohammad Hossein Moaiyeri.

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Khodayari, F., Amirany, A., Jafari, K. et al. Low-Cost and Variation-Aware Spintronic Ternary Random Number Generator. Circuits Syst Signal Process 43, 1175–1191 (2024). https://doi.org/10.1007/s00034-023-02509-w

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  • DOI: https://doi.org/10.1007/s00034-023-02509-w

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