Integrated physical unclonable function device

An integrated physical unclonable function device includes at least one reference capacitor and a number of comparison capacitors. A capacitance determination circuit operates to determine a capacitance of the at least one reference capacitor and a capacitance of each comparison capacitor. The deter...

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Bibliographische Detailangaben
Hauptverfasser:	Voisin, Jean-Marc, Froment, Benoit
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY PULSE TECHNIQUE SEMICONDUCTOR DEVICES TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An integrated physical unclonable function device includes at least one reference capacitor and a number of comparison capacitors. A capacitance determination circuit operates to determine a capacitance of the at least one reference capacitor and a capacitance of each comparison capacitor. The determined capacitances of the comparison capacitors are then compared to the determined capacitance of the reference capacitor by a comparison circuit. A digital word is then generated with bit values indicative of a result of the comparisons made by the comparison circuit.