Electrically erasable and programmable read only memory device e

Details Electrically erasable and programmable read only memory device e Electrically erasable and programmable read only memory device e

1995-04-26

1996-07-02

Nelms, David C.

Static information storage and retrieval

Floating gate

Particular biasing

36518524, 365236, 36518909, G11C 1604

Patent

active

055329594

ABSTRACT:
An electrically erasable and programmable read only memory device enters an automatic erasing mode of operation, and repeats short erasing operation followed by confirmation of proper erased state in the automatic erasing mode, wherein the memory cell array is inspected to see whether or not each memory cell not only enters the erased state but also remains in enhancement mode so that the memory cell array is exactly programmed in a programming mode of operation.

REFERENCES:
patent: 5053990 (1991-10-01), Kreifels et al.
patent: 5097444 (1992-03-01), Fong
patent: 5122985 (1992-06-01), Santin
patent: 5132935 (1992-07-01), Ashmore, Jr.
patent: 5214605 (1993-05-01), Lim et al.
patent: 5220533 (1993-06-01), Turner
patent: 5237535 (1993-08-01), Mielke et al.
patent: 5241507 (1993-08-01), Fong

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