SELF-TIMED READOUT DRIVER FOR LEAKAGE-BASED PHYSICAL UNCLONABLE FUNCTION (L-PUF) DEVICE, L-PUF ARRAY USING SAME, AND APPLICATIONS THEREOF
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Aug 1, 2024
filing date -
Aug 1, 2024
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Abstract
A self-timed readout driver for a leakage-based physical unclonable function (L-PUF) device, a L-PUF array using the same, and applications thereof are provided. The self-timed readout driver includes a precharge transistor, an inverter and a leaky device. The precharge transistor has a control end, a first end and a second end. The inverter is electrically connected to the second end of the precharge transistor. The leaky device having a control end electrically connected to ground, a first end electrically connected to the second end of the precharge transistor, and a second end electrically connected to ground. The control end of the precharge transistor is configured to receive an input signal. The inverter is configured to generate a sense enable (SE) signal. The input signal and the SE signal may be used as two input signals for the L-PUF device.
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