Non-volatile memory device, control method for information processing device, and information processing device
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United States of America Patent
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Jun 14, 2016
Grant Date -
Jan 2, 2014
app pub date -
Mar 7, 2013
filing date -
Mar 16, 2012
priority date (Note) -
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Abstract
A storage device for a host device includes a non-volatile semiconductor memory and a control section configured to execute a delete process in response to a command from the host device to delete data stored at locations in the non-volatile semiconductor memory corresponding to a selected logical address included in the command. The delete process includes determining a selected mapping and at least one prior mapping of the selected logical address to physical addresses of the non-volatile semiconductor memory, and erasing or overwriting the data stored at the physical addresses.
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