Nonvolatile memory with error correction for page copy...

Details Nonvolatile memory with error correction for page copy... Nonvolatile memory with error correction for page copy...

2007-11-13

2007-11-13

Bataille, Pierre (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

Reexamination Certificate

active

10817061

ABSTRACT:
The disclosure is a NAND flash memory with the function of error checking and correction during a page copy operation. The NAND flash memory is able to prohibit transcription of erroneous bits to a duplicate page from a source page. Embodiments of the inventive flash memory include a correction circuit for correcting bit errors of source data stored in a page buffer, a circuit configured to provide the source data to the correction circuit and to provide correction data to the page buffer, and a copy circuit configured to copy the source data to the page buffer, and to store the correction data in the other page from the page buffer.

REFERENCES:
patent: 4358848 (1982-11-01), Patel
patent: 4453251 (1984-06-01), Osman
patent: 5996041 (1999-11-01), Kim
patent: 6058047 (2000-05-01), Kikuchi
patent: 6266273 (2001-07-01), Conley et al.
patent: 6728913 (2004-04-01), Parker
patent: 6868007 (2005-03-01), Hasegawa et al.
patent: 2001/0050622 (2001-12-01), Hewitt et al.
patent: 2003/0117846 (2003-06-01), Hasegawa et al.
patent: WO 02/17330 (2002-02-01), None

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