High-steady-state multi-port PUF (Poly Urethane Foam) circuit
A multi-port, steady-state technology, applied in logic circuits, electrical components, pulse technology, etc., can solve problems such as low reliability and accuracy, multi-port PUF circuit output results are easily interfered by noise, and poor chip safety performance , achieve high reliability and stability, avoid frequent access, and save time
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[0034] Embodiment: A high-stable multi-port PUF circuit in this embodiment has four ports, that is, the PUF circuit unit array 2 includes four PUF circuit units 21, and we obtain a 256-bit four-port PUF circuit. Such as Figure 5 As shown, a 256-bit four-port PUF circuit includes a decoding circuit module 1, a PUF circuit unit array 2, a sense amplifier 3, a selector 4, a latch 5, a timing control circuit module 7 and a FIFO output circuit unit 6, The decoding circuit module 1 is connected to the PUF circuit unit array 2, the PUF circuit unit array 2 is connected to the sense amplifier 3, the sense amplifier 3 is connected to the selector 4, the selector 4 is connected to the latch 5, and the latch 5 is connected to the FIFO output The circuit 6 units are connected, the timing control circuit module 7 is respectively connected with the decoding circuit module 1, the PUF circuit unit array 2, the sense amplifier 3, the selector 4 and the latch 5, and the PUF circuit unit array ...
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