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An effective optimization approach for the electromigration (EM) reliability in power grid (PG) has been presented in this paper. With core technology development and the key feature size of integrated circuits decreasing, it is more serious for the EM-induced failure occurrence in the entire PG. However, previous PG studies focus on supply noise optimization and neglect the EM influence in lines,...
Ring Oscillator (RO) Physical Unclonable Function (PUF) is one of the most popular silicon PUFs which exploit manufacturing variations during the chip fabrication process. RO PUF can generate secret bits by comparing the frequency difference between two ROs. However, previous RO PUFs improve flexibility and reliability through adding redundant ROs and thus incur unacceptable hardware overheads. In...
Physical Unclonable Function (PUF) is one of the most efficient technique to generate unique and random identification for chip authentication. Ring oscillator (RO) PUF takes advantage of delay variations of a pair of ROs, which is easy to implement on FPGAs. An important consideration for FPGA based RO PUF is how to eliminate systematic variation without reducing the number of output bits. To address...
Ring oscillator Physical Unclonable Function (RO PUF) is a popular silicon PUF due to its ease of implementation on both ASIC and FPGA. However, RO PUFs have severe reliability issues when the operating environment deviates from the nominal condition and security issues as cloning attacks have been reported. In this work, we propose to build configurable RO PUFs based on the notions of configurable...
The hemispherical resonator gyro (HRG) is a vibration gyro with high accuracy, long life and great reliability. Analyzing and studying its output signal is one of the key techniques to science evaluating performance. This paper presents the principle of the HRG, induces the Allan variance methods, and uses the MATLAB programming to simulate and calculate. Itpsilas the first time in China to apply...
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