Non-volatile storage device and control method thereof

Details Non-volatile storage device and control method thereof Non-volatile storage device and control method thereof

2005-07-26

2005-07-26

Elmore, Reba I. (Department: 2187)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S220000

Reexamination Certificate

active

06922768

ABSTRACT:
To provide a nonvolatile storage device and control method thereof which improve convenience of portable devices by shortening initialization time. In generating a data validity table at initialization, a control part firstly reads out a validity flag and a second translation table. In the case where the validity flag is valid, logical blocks in the second translation table are valid. For that reason, the fourth table generation means can set all logical blocks in the second translation table as being valid, in the data validity table. In a single reading as mentioned above, the fourth table generation means can carry out setting with respect to a plurality of logical blocks. Further, with respect to a partial logical block which is set as being valid in the data validity table, it is possible to bypass reading out the data validity flag of the block and proceed to operation of next partial logical block.

REFERENCES:
patent: 2004/0010618 (2004-01-01), Thomas
patent: 11-203191 (1999-07-01), None
patent: 2000-57038 (2000-02-01), None
patent: 2000-90004 (2000-03-01), None
patent: 2002-508862 (2002-03-01), None
patent: WO 98/44420 (1998-10-01), None
patent: WO 99/44113 (1999-09-01), None

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