Method of dynamically controlling program verify levels in...

Details Method of dynamically controlling program verify levels in... Method of dynamically controlling program verify levels in...

2007-04-17

2007-04-17

Hoang, Huan (Department: 2827)

Static information storage and retrieval

Floating gate

Multiple values

C365S185220

Reexamination Certificate

active

11043854

ABSTRACT:
Pre-program verify levels for a multilevel read-only memory cell are generated dynamically. A determination takes into account a program verify level, an over-program budget, and a second-bit effect budget to generate pre-program verify levels. The generated pre-program verify levels mitigate issues of over-programming, hard-to-program, and second-bit effect.

REFERENCES:
patent: 6219276 (2001-04-01), Parker
patent: 6292394 (2001-09-01), Cohen et al.
patent: 6552387 (2003-04-01), Eitan
patent: 6771541 (2004-08-01), Park
patent: 7046559 (2006-05-01), Saito
patent: 2006/0141709 (2006-06-01), Lung et al.

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