Redundant purge for flash storage device

Details Redundant purge for flash storage device Redundant purge for flash storage device

2011-03-08

2011-03-08

Ho, Hoai V (Department: 2827)

Static information storage and retrieval

Floating gate

Particular biasing

C365S185110, C365S185280, C365S185290

Reexamination Certificate

active

07903474

ABSTRACT:
A flash storage device includes flash storage units that are purged in response to a condition or command. A flash controller interface receives a command for purging the flash storage device and provides a purge command to flash controllers in the flash storage device. Alternatively, the flash storage device detects a condition in response to which the flash controller interface provides a purge command to the flash controllers. Each flash controller independently erases a flash storage unit in response to receiving the purge command, by writing a pattern of data to the flash storage unit, such that the flash storage units are purged substantially in parallel with each other.

REFERENCES:
patent: 6804151 (2004-10-01), Iijima
patent: 2003/0037295 (2003-02-01), Galzur et al.
patent: 2003/0225962 (2003-12-01), Hirosawa
patent: 2006/0117393 (2006-06-01), Merry et al.
patent: 2006/0245272 (2006-11-01), Hartono et al.

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