Flash memory storage device and read/write method
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United States of America Patent
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Apr 7, 2009
Grant Date -
Jan 10, 2008
app pub date -
Oct 17, 2006
filing date -
Jul 7, 2006
priority date (Note) -
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Abstract
A memory storage device and a read/write method thereof, first defining logically the flash memory as at least one particular data management area and at least one common data management area; next, determining the logical block address located in the particular data management area or the common data management area according to data transmitted to an external system by an area decision mechanism, wherein the method of writing to the particular data management area is by using a method of dynamic deviation value, and the method of writing to the common data management area is by using a method of same displacement value. Whereby, the particular data management area can be avoided moving frequently caused by updating data from the external system to improve read/write performance of the flash memory.
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