Memory controller and flash memory system

Details Memory controller and flash memory system Memory controller and flash memory system

2011-01-11

2011-01-11

Thai, Tuan V (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S004000, C711S100000, C711S102000, C711S168000, C365S220000, C365S221000, C365S230010, C365S230020, C365S230030

Reexamination Certificate

active

07870328

ABSTRACT:
When a free physical block where data is to be written is searched for, a search process for searching for a pair of free physical blocks is first executed using a free physical block search table. Detection of a free non-pair good block is executed only when a pair of free physical block is not detected in the search process using the free physical block search table. When there is a free physical block, two-plane write is executed. When there is no pair of free physical blocks, data is written in an adequately combined non-pair good blocks.

REFERENCES:
patent: 5890192 (1999-03-01), Lee et al.
patent: 6570785 (2003-05-01), Mangan et al.
patent: 7627712 (2009-12-01), Sanders et al.
patent: 2003/0033573 (2003-02-01), Tamura et al.
patent: 2005/0141313 (2005-06-01), Gorobets et al.
patent: 2005/0144516 (2005-06-01), Gonzalez et al.
patent: 2003-058431 (2003-02-01), None
patent: 2005-018490 (2005-01-01), None
patent: 2006-040484 (2006-02-01), None
English language abstract for JP 2003-058431 extracted from espacenet.com database, dated Nov. 15, 2010, 21 pages.
English language translation and abstract for JP 2006-040484 extracted from PAJ database, 23 pages.

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