Flash memory device

Details Flash memory device Flash memory device

1995-12-21

1997-06-10

Nelms, David C.

Static information storage and retrieval

Floating gate

Particular biasing

36518511, 36518528, G11C 1134

Patent

active

056383240

ABSTRACT:
The present invention relates to a flash memory device and pre-program only the memory cells which keep the erase state by verifying whether the memory cells are programmed before performing the pre-program operation to prevent the memory cell from being over-programmed at the time of pre-program. Accordingly, there are excellent effects in that the reliability of the device can be improved by preventing the memory cell from being over-programmed and the operation speed of the device can be improved by reducing the time required in the pre-program operation.

REFERENCES:
patent: 5446690 (1995-08-01), Tanaka et al.

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