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

1983-12-22

1985-05-14

Fears, Terrell W.

Static information storage and retrieval

Read/write circuit

Data refresh

365200, 371 13, G11C 1140

Patent

active

045176639

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: 4218764 (1980-08-01), Furuta et al.

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