Method and device for checking the execution of a write...

Details Method and device for checking the execution of a write... Method and device for checking the execution of a write...

2006-12-14

2008-11-04

Le, Thong Q (Department: 2827)

Static information storage and retrieval

Floating gate

Particular biasing

C365S185290, C365S185300

Reexamination Certificate

active

07447080

ABSTRACT:
A method for executing a write command for writing a binary word in a programmable memory, comprises writing each of the bits in a programmed state of a binary word to be written in a corresponding memory cell of the memory, reading each bit of the word written in the memory corresponding to a bit in the programmed state of the word to be written, comparing each bit in the programmed state of the word to be written with a corresponding bit read in the memory, and generating an error signal if at least one bit of the word to be written in the programmed state is different from the corresponding bit read. Application of the method can be particularly but not exclusively to integrated circuits for chip cards.

REFERENCES:
patent: 5930179 (1999-07-01), Cha
patent: 6798713 (2004-09-01), Yearsley et al.
patent: 2002/0083385 (2002-06-01), Dover et al.
patent: 2004/0141379 (2004-07-01), La Malfa et al.
patent: 0455238 (1991-11-01), None

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