Non-volatile memory and method with host controlled caching
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United States of America Patent
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Nov 26, 2013
Grant Date -
Jul 5, 2012
app pub date -
Mar 14, 2012
filing date -
Jun 6, 2006
priority date (Note) -
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Abstract
A flash memory device includes a storage area having a main memory portion and a cache memory portion storing at least one bit per cell less than the main memory portion; and a controller that manages data transfer between the cache memory portion and the main memory portion according to at least one caching command received from a host. The management of data transfer, by the controller, includes transferring new data from the host to the cache memory portion, copying the data from the cache memory portion to the main memory portion and controlling (enabling/disabling) the scheduling of cache cleaning operations.
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