Nonvolatile random access memory and nonvolatile memory system
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United States of America Patent
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Apr 23, 2013
Grant Date -
Feb 10, 2011
app pub date -
Jun 16, 2010
filing date -
Aug 6, 2009
priority date (Note) -
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Abstract
A nonvolatile random access memory includes: a nonvolatile storage area that is randomly accessible and includes a data area to store data and an error-correcting-code area to store an error correcting code, the data area including at least one data area to which a data area unit size is assigned, the error-correcting-code area including at least one error-correcting-code area to which an error-correcting-code-area unit size is assigned; and a nonvolatile storage area controller to set a data size used when the at least one data area is accessed, as the data area unit size. The nonvolatile storage area controller manages the data area and the error-correcting-code area based on the set data area unit size and assigns the at least one error-correcting-code area with the error-correcting-code-area unit size to the at least one data area with the data area unit size based on the data area unit size.
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