AC sensing method memory circuit

Details AC sensing method memory circuit AC sensing method memory circuit

2005-08-02

2005-08-02

Le, Thong Q. (Department: 2827)

Static information storage and retrieval

Floating gate

Particular connection

C365S185230, C365S185250

Reexamination Certificate

active

06925005

ABSTRACT:
The present invention is a memory circuit, comprises: a memory cell array including a plurality of bit lines, a plurality of word lines, and a plurality of memory cells disposed in the positions of intersection between the bit lines and the word lines; and a page buffer, which is connected to the bit line and which detects memory cell data by judging with predetermined sense timing the potential of the bit line when a pre-charged bit line potential is discharged in accordance to a cell current of a selected memory cell. Further the sense timing differs in accordance with the position of the selected memory cell in the memory cell array.

REFERENCES:
patent: 5954828 (1999-09-01), Lin
patent: 2001/0005015 (2001-06-01), Futatsuyama et al.

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