Flash controller cache architecture
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United States of America Patent
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Feb 6, 2007
Grant Date -
Sep 8, 2005
app pub date -
Mar 8, 2004
filing date -
Mar 8, 2004
priority date (Note) -
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Abstract
A buffer cache interposed between a non-volatile memory and a host may be partitioned into segments that may operate with different policies. Cache policies include write-through, write and read-look-ahead. Write-through and write back policies may improve speed. Read-look-ahead cache allows more efficient use of the bus between the buffer cache and non-volatile memory. A session command allows data to be maintained in volatile memory by guaranteeing against power loss.
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