Processor having electronic fuses for storing secret data

Details Processor having electronic fuses for storing secret data Processor having electronic fuses for storing secret data

2006-02-17

2008-11-25

Louis-Jacques, Jacques (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07458002

ABSTRACT:
A processor includes a calculator, a plurality of electronic fuses for storing secret data and reader for reading out the plurality of electronic fuses to determine the secret data. By storing the secret data, like for example a secret key for the identification of the processor or a chip card, respectively, in which the processor is arranged, in electronic fuses, a secure and efficient and simultaneously flexible way for introducing sensitive information into an integrated circuit is achieved.

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“Fuse, Antifuse, and Prom Technologies”. Book: “Nonvolatile Semiconductor Memories Technologies, Design, and Applications”. Part 2. Page 11. Edited by Chenming Hu. IEEE Press. Published 1991.

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