Qualcomm Incorporated

Efrain Ortuno

Benish Babu

Richard Patrick

William Kimberly

William Edward Kimberly

Methods, systems and devices provide for refreshing a data image stored on a NAND memory device. Aspects include sequentially copying each of a series of static data partitions into a scrub portion that does not store data image partitions identified in the partition table. The sequential copying begins with a last static data partition and proceeds sequentially to a first static data partition when the scrub portion occupies higher order addresses than the last address of the last static data partition. Alternatively, the sequential copying begins with the first static data partition and proceeds sequentially to the last static data partition when the scrub portion occupies addresses that are lower than the first address of the first static data partition. The partition table may be updated as each static data partition is stored to the scrub portion. Such operations enable fail-safe scrubbing and refreshing of data in a NAND device.

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Efrain Ortuno