Figure 2. PUF key generation and operational method using GIDL erase on V-NAND flash memory. (IMAGE)

Seoul National University College of Engineering

Figure 2. PUF key generation and operational method using GIDL erase on V-NAND flash memory.

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Figure 2. PUF key generation and operational method using GIDL erase on V-NAND flash memory.

(a) Vth distribution of V-NAND flash cells after weak GIDL erase.(b) Comparison between conventional NAND flash-based PUF and the proposed method.(c) Operational mechanism of V-NAND flash memory-based PUF.(d) Autocorrelation test results of the generated PUF key.

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© Nature Communications, originally published in Nature Communications

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