METHOD FOR DETECTING AN ATTACK BY A BUNDLE OF ELECTRICALLY CHARGED PARTICLES ON AN INTEGRATED CIRCUIT AND CORRESPONDING INTEGRATED CIRCUIT

An attack on an integrated circuit using a beam of electrically charged particles is detected by collecting charges due to the attack using at least one electrically conductive body that is electrically coupled to the floating gate of a state transistor. Prior to the attack, the state transistor is...

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Bibliographische Detailangaben
Hauptverfasser:	FORNARA, Pascal, MARINET, Fabrice
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INFORMATION STORAGE PHYSICS SEMICONDUCTOR DEVICES STATIC STORES
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Beschreibung
Zusammenfassung:	An attack on an integrated circuit using a beam of electrically charged particles is detected by collecting charges due to the attack using at least one electrically conductive body that is electrically coupled to the floating gate of a state transistor. Prior to the attack, the state transistor is configured to confer an initial threshold voltage. The collected charges passed to the floating gate cause a modification of the threshold voltage of the state transistor. Detection of the attack is made by determining that the threshold voltage of the state transistor is different from the initial threshold voltage.