pp. 2607-2614
S&M2287 Research Paper of Special Issue (Dr. Niitsu) https://doi.org/10.18494/SAM.2020.2496 Published: August 10, 2020 Design and Verification of Stochastic Oscillator Using Multiple Ring Oscillators and OR-gate for Low-voltage Operation in 65 nm CMOS [PDF] Shunya Murakami, Kenya Hayashi, Shigeki Arata, Ge Xu, Cong Dang Bui, Atsuki Kobayashi, and Kiichi Niitsu (Received June 29, 2019; Accepted June 5, 2020) Keywords: low-voltage operation, low power, CMOS, ring oscillator
In this paper, we present a stochastic oscillator comprising multiple ring oscillators and an OR-gate intended for low-supply-voltage operation for the first time. To achieve low-supply-voltage operation under a wide range of process variations, multiple ring oscillators are employed. By using an OR-gate, the ring oscillator with the lowest voltage can be utilized, which was confirmed by SPICE simulations. The prototype is fabricated using 65 nm CMOS technology. Measurement results show the effectiveness of the proposed oscillator.
Corresponding author: Kiichi NiitsuThis work is licensed under a Creative Commons Attribution 4.0 International License. Cite this article Shunya Murakami, Kenya Hayashi, Shigeki Arata, Ge Xu, Cong Dang Bui, Atsuki Kobayashi, and Kiichi Niitsu, Design and Verification of Stochastic Oscillator Using Multiple Ring Oscillators and OR-gate for Low-voltage Operation in 65 nm CMOS, Sens. Mater., Vol. 32, No. 8, 2020, p. 2607-2614. |