Virtual ground array memory and programming method thereof

Details Virtual ground array memory and programming method thereof Virtual ground array memory and programming method thereof

2007-08-29

2009-11-17

Nguyen, Tuan T (Department: 2824)

Static information storage and retrieval

Floating gate

Particular connection

C365S185090, C365S185220

Reexamination Certificate

active

07619925

ABSTRACT:
A method for programming a virtual ground array memory, which includes a first cell and a second cell adjacent to first cell, includes the following steps. First, the first cell is selected as a target cell, wherein the second cell has been programmed to have data. Next, the second cell is read and the data is recorded in a register. Then, the target cell is programmed. Next, a program verifying operation is performed on the second cell. Afterwards, the data recorded in the register is programmed back to the second cell when the program verifying operation performed on the second cell fails.

REFERENCES:
patent: 7295471 (2007-11-01), Hsieh et al.
patent: 7313649 (2007-12-01), Tomita et al.
patent: 7382656 (2008-06-01), Ho et al.
patent: 2005/0232024 (2005-10-01), Atir et al.
patent: 2006/0109710 (2006-05-01), Hsieh et al.
patent: 2007/0183240 (2007-08-01), Maruyama et al.

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