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- Title
Ultra-Low-Power FinFETs-Based TPCA-PUF Circuit for Secure IoT Devices.
- Authors
Monteiro, Cancio; Takahashi, Yasuhiro
- Abstract
Low-power and secure crypto-devices are in crucial demand for the current emerging technology of the Internet of Things (IoT). In nanometer CMOS technology, the static and dynamic power consumptions are in a very critical challenge. Therefore, the FinFETs is an alternative technology due to its superior attributes of non-leakage power, intra-die variability, low-voltage operation, and lower retention voltage of SRAMs. In this study, our previous work on CMOS two-phase clocking adiabatic physical unclonable function (TPCA-PUF) is evaluated in a FinFET device with a 4-bits PUF circuit complexity. The TPCA-PUF-based shorted-gate (SG) and independent-gate (IG) modes of FinFETs are investigated under various ambient temperatures, process variations, and ±20% of supply voltage variations. To validate the proposed TPCA-PUF circuit, the QUALPFU-based Fin-FETs are compared in terms of cyclical energy dissipation, the security metrics of the uniqueness, the reliability, and the bit-error-rate (BER). The proposed TPCA-PUF is simulated using 45 nm process technology with a supply voltage of 1 V. The uniqueness, reliability, and the BER of the proposed TPCA-PUF are 50.13%, 99.57%, and 0.43%, respectively. In addition, it requires a start-up power of 18.32 nW and consumes energy of 2.3 fJ/bit/cycle at the reference temperature of 27 °C.
- Subjects
CIRCUIT complexity; INTERNET of things; ENERGY dissipation; PHYSICAL mobility; APPROPRIATE technology; BIT error rate; SOFT errors
- Publication
Sensors (14248220), 2021, Vol 21, Issue 24, p8302
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s21248302