Rd algorithm improvement for NROM technology

Details Rd algorithm improvement for NROM technology Rd algorithm improvement for NROM technology

2007-01-10

2010-06-22

Nguyen, Tan T. (Department: 2827)

Static information storage and retrieval

Floating gate

Particular biasing

C365S185030, C365S185200, C365S185240

Reexamination Certificate

active

07742339

ABSTRACT:
Selecting a read voltage level for a NVM cell by using an initial value for the read voltage and performing a read operation, comparing an actual number of bits found to an expected number of bits and, if there is a discrepancy between the actual number and the expected number, adjusting the read voltage level, based on variable data such as statistics available, level occupation, neighbor level, previous chunks data, and other data used during read, program or erase. For example, based on a number of missing bits, or upon a result of a previous read operation, or a result obtained at another program level, or upon how many times the memory cell has been cycled, or upon how many memory cells are at each program level, or on a number of bits at another program level in a selected chunk of memory.

REFERENCES:
patent: 5650959 (1997-07-01), Hayashi et al.
patent: 5768192 (1998-06-01), Eitan
patent: 5801985 (1998-09-01), Roohparvar et al.
patent: 5963465 (1999-10-01), Eitan
patent: 5966603 (1999-10-01), Eitan
patent: 6011725 (2000-01-01), Eitan
patent: 6030871 (2000-02-01), Eitan
patent: 6130452 (2000-10-01), Lu et al.
patent: 6133095 (2000-10-01), Eitan et al.
patent: 6175519 (2001-01-01), Lu et al.
patent: 6215148 (2001-04-01), Eitan
patent: 6233180 (2001-05-01), Eitan et al.
patent: 6285574 (2001-09-01), Eitan
patent: 6292394 (2001-09-01), Cohen et al.
patent: 6448750 (2002-09-01), Shor et al.
patent: 6477084 (2002-11-01), Eitan
patent: 6552387 (2003-04-01), Eitan
patent: 6583007 (2003-06-01), Eitan
patent: 6633496 (2003-10-01), Maayan et al.
patent: 6768165 (2004-07-01), Eitan
patent: 6936505 (2005-08-01), Keys et al.
patent: 6949972 (2005-09-01), Knight
patent: 6959393 (2005-10-01), Hollis et al.
patent: 6963505 (2005-11-01), Cohen
patent: 6967896 (2005-11-01), Eisen et al.
patent: 6992932 (2006-01-01), Cohen
patent: 7495955 (2009-02-01), Ido
patent: 2004/0202023 (2004-10-01), Chen et al.
patent: 2006/0028875 (2006-02-01), Avraham et al.

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