Hybrid density memory storage device
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United States of America Patent
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Nov 6, 2012
Grant Date -
Sep 25, 2008
app pub date -
Mar 18, 2008
filing date -
Mar 19, 2007
priority date (Note) -
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Abstract
The present invention discloses a hybrid density memory storage device configured to store data responsive to a host and a file system thereof. The hybrid density memory storage device includes a non-volatile memory, a hot data buffer and a control unit. The non-volatile memory includes a high density storage space and a low density storage space. The control unit is coupled between the host, the non-volatile memory, and the hot data buffer. The control unit has a hot list used for recording a plurality of logical locations of hot data, and the control unit is capable of accessing data in/out the hot data buffer in accordance with the hot list.
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