PUF circuit and magnetoresistive device and control method thereof
A physically-unclonable-function (PUF) circuit and the control method thereof are provided, and the control method can be applied to the magnetoresistive device. The control method includes providing a first energy to a plurality of magnetic-tunnel junction (MTJ) devices after initializing the MTJ devices to a resistance state, and determining whether the hamming weight of at least one of the MTJ devices which has a predetermined resistance state is within a predetermined range or not.
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
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Duan-Lee Yu-Sheng Ding-Yeong
Tang Chen Wang