System and method for write-protecting predetermined portions of a memory array

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United States of America Patent

PATENT NO 5394367
SERIAL NO

08210699

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Abstract

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A system and method wherein a predetermined soft fuse value may be written to a corresponding soft fuse register to control subsequent access to a number of lock bits in a non-volatile semiconductor memory array which are provided for selectively precluding writes to predetermined portions of the memory array. In a specific embodiment, the system and method may be utilized in conjunction with radio frequency ('RF') identification ('ID') transponders incorporating a non-volatile ferroelectric random access memory ('FRAM') array integrated circuit.

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Patent Owner(s)

Patent OwnerAddress
RAMTRON INTERNATIONAL CORPORATION1850 RAMTRON DRIVE COLORADO SPRINGS CO 80921

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Downs, Jeffery E Colorado Springs, CO 4 186
Yeager, Michael W Colorado Springs, CO 10 475

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