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1 International Journal of Electronics and Telecommunications

1 2025

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The True Random Number Generator design using a high-noise oscillator

Butryn Igor, Derlecki Mariusz, Łuczyk Arkadiusz, Jasiński Jakub, Wielgus Andrzej, Siwiec Krzysztof

International Journal of Electronics and Telecommunications

2025

Vol. 71, No. 4

The growing importance of creating appropriate safeguards in electronic systems forces design of integrated circuits dedicated for cryptographic purposes. The paper focuses on True Random Number Generator (TRNG) circuits design allowing generation of random bit stream. Presented TRNG architecture uses low frequency high-noise oscillator for sampling high frequency clock signal. The article also describes a method for obtaining a high noise level in the oscillator. Achieved bit rate of designed TRNG equals 1 Mb/s. The circuit dissipates 144 μW. The design of the TRNG, simulation and measurement results of the manufactured IC chips have been described in the paper also. TRNG circuit has been implemented in 180 nm CMOS technology.