Solid state drive devices and methods of operating thereof
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United States of America Patent
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Apr 30, 2019
Grant Date -
Feb 1, 2018
app pub date -
Jan 23, 2017
filing date -
Jul 27, 2016
priority date (Note) -
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Abstract
In a method of operating a SSD device, which includes a nonvolatile memory device having a plurality of memory blocks, the plurality of memory blocks is operated in a single level cell (SLC) mode, an access pattern for each of a plurality of data units stored in each of the plurality of memory blocks of the nonvolatile memory device is periodically analyzed, an operation mode of at least one of the plurality of memory blocks is switched to a multi level cell (MLC) mode based on the analysis result, and at least one of data units is moved to a memory block operating in the MLC mode based on the analysis result.
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