Method of rewriting data in non-volatile memory, and system ther

Details Method of rewriting data in non-volatile memory, and system ther Method of rewriting data in non-volatile memory, and system ther

1980-09-02

1984-05-08

Chan, Eddie P.

Boots, shoes, and leggings

365 1, G06F 1100

Patent

active

044478879

ABSTRACT:
A method and system for rewriting data in a non-volatile memory in which the rewriting of one access unit of stored data is executed by erase and write cycles, the stored data being protected in the event of an interruption in electric power. In rewriting into second data the first data which is stored in a data storage area of the non-volatile memory, either the first or the second data is stored in a save area of the non-volatile memory, after which the first data in the data storage area is erased, followed by the writing of the second data in the data storage region to complete the rewrite operation.

REFERENCES:
patent: 4237544 (1980-12-01), Bonyhard
IBM Technical Disclosure Bulletin "Multilevel Staging Memory Control to Prevent Data Loss" by R. J. Mayka, vol. 20, No. 3, Aug. 1977 pp. 927-930.
Institute of Electrical and Electronics Engineers "Roll Back Point Insertion Strategies" by F. J. O'Brien pp. 138-147.

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