Nonvolatile semiconductor memory

Details Nonvolatile semiconductor memory Nonvolatile semiconductor memory

Filed on

2008-05-20

Date issued

2008-05-20

Examiner

Ho, Hoai V. (Department: 2827)

Patent Class

Static information storage and retrieval

SubClass

Floating gate

SubSubClass

Particular biasing

Other Related Categories

C365S185110, C365S185180, C365S185230

Type

Reexamination Certificate

Status

active

Patent number

11378248

Description

ABSTRACT:
The nonvolatile semiconductor memory includes a plurality of memory devices for storing data, a write circuit for supplying a high voltage for data writing, a plurality of selectors connected between the write circuit and the plurality of memory devices, for selecting one from the plurality of memory devices; and a control circuit for selecting one from the plurality of selectors, inputting a control voltage to a control terminal of the selected selector, and setting a write voltage for the memory device according to the control voltage.

REFERENCES:
patent: 5329488 (1994-07-01), Hashimoto
patent: 5774398 (1998-06-01), Ishida
patent: 6172922 (2001-01-01), Suzuki
patent: 6363027 (2002-03-01), Komatsu
patent: 6762959 (2004-07-01), Kim
patent: 4-74391 (1992-03-01), None

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