Error correction cache for flash memory

Details Error correction cache for flash memory Error correction cache for flash memory

2007-11-13

2007-11-13

Chase, Shelly (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

10316401

ABSTRACT:
Systems and methods are disclosed to detect and correct errors in a flash memory using an error correction cache that provides error correction information by accessing data from a physical block number (PBN) of the flash memory; and if a data error occurred, applying error correction information stored in the cache corresponding to the accessed PBN to correct the data error.

REFERENCES:
patent: 5956743 (1999-09-01), Bruce et al.
patent: 6360346 (2002-03-01), Miyauchi et al.
patent: 6438706 (2002-08-01), Brown
patent: 6639843 (2003-10-01), Miyauchi
patent: 6684289 (2004-01-01), Gonzalez et al.
Flash Application Notes—Various ECC Algorithm Papers at http://www.samsungelectronics.com/semiconductors/flash/technical—data/application—notes.

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