Method and apparatus for diagnosing a fault of a memory using interim time after execution of an application
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United States of America Patent
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Jun 24, 2014
Grant Date -
Apr 3, 2014
app pub date -
Jan 30, 2013
filing date -
Sep 28, 2012
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Abstract
An area of a memory has a diagnosis area and a non diagnosis area, with the diagnosis area divided into a plurality of Row areas which do not overlap each other, and each of the Row areas is divided into a plurality of Cell areas which do not overlap each other. A memory fault diagnostic method has a diagnostic step in a Row area to diagnose between Cell areas with respect to all the combinations of a set of Cell areas in the Row area, and a diagnostic step between Row areas to diagnose between Row areas with respect to all the combinations of a set of Row areas in the diagnosis area. A Row area size is determined to be a size in which a time of the diagnosis in a Row area becomes equal to a time of the diagnosis between Row areas.
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