Interruptible cache flushing in flash memory systems
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United States of America Patent
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Feb 5, 2013
Grant Date -
Aug 28, 2008
app pub date -
Oct 23, 2007
filing date -
Feb 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Cache flushing is effected for a flash memory by copying, to a block of the memory, first and second portions of cached data, and servicing a host access in-between copying the first portion and the second portion. Either both portions are selected before the copying, or erasing the block is forbidden until after the copying, or a portion of the block left unwritten by the first copying remains unwritten until after the host access is serviced.
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