Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital logic testing
Reexamination Certificate
2008-01-29
2008-01-29
Britt, Cynthia (Department: 2117)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital logic testing
C714S045000, C713S176000, C380S264000
Reexamination Certificate
active
10784456
ABSTRACT:
A device for selecting an operating mode of an integrated circuit, including a non-volatile memory programmable after manufacturing exhibiting prior to any programming an initial content, means for storing a first signature representative of the initial content of the memory, means for calculating a second signature representative of a current content of the memory, and means for evaluating a difference between the first and second signatures and for deactivating an operating mode selection signal when the difference is greater than a predetermined threshold.
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French Search Report from French Patent Application 03/02227, filed Feb. 24, 2003.
Britt Cynthia
Jorgenson Lisa K.
McClellan William R.
STMicroelectronics S.A.
Trimmings John P
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