High performance bistable weak physical unclonable function for IoT security

High performance bistable weak physical unclonable function for IoT security
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用于物联网安全的高性能双稳态弱物理不可克隆功能

DOI:
10.1587/elex.15.20180879
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发表时间:
2018-10
影响因子:
0.8
通讯作者:
Huihong Zhang
Huihong Zhang
中科院分区:
工程技术4区
文献类型:
--
作者:
Gang Li;Pengjun Wang;Huihong Zhang

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: This paper proposes a high performance physical unclonable function (PUF) implemented in a standard 65 nm CMOS process. The PUF cell is derived from SRAM-PUF cell, but it only use the NMOS or PMOS cross coupling structure with two additional access transistors. Random process variations between two cross coupling transistors are digitized to produce one bit output. Post-layout simulation results show that the 2k-bit PUF has high randomness and uniqueness, and it has some excellent features: (1) small PUF cell with a minimum feature size of 240F 2 ; (2) high energy e ffi ciency of 17.3 fJ / b at nominal 1.2 V; (3) excellent stability: only 2.6% bit-error-rate (BER) across a wide temperature range ( − 40 – 100 °C) and 10% V DD variations.
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