Static information storage and retrieval – Floating gate – Data security
Patent
1998-10-23
2000-03-07
Nelms, David
Static information storage and retrieval
Floating gate
Data security
36518532, 365195, G11C 700
Patent
active
060348895
ABSTRACT:
An electrically erasable and programmable non-volatile semiconductor memory includes memory registers that are addressable individually or by blocks. The memory also has a protection register in which a protection word can be written. The protection word has a given number of bits that encode a boundary address of the memory register or a block of memory registers. The boundary address divides the memory space into an upper zone and a lower zone. The protection word also has a zone bit whose value determines which of the two zones of the memory is to be write protectable.
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Preliminary European Search Report dated Jul. 10, 1998 with annex on French Application No. 9713359.
Chehadi Mohamad
Mani Christophe
Auduong Gene N.
Galanthay Theodore E.
Nelms David
STMicroelectronics S.A.
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