Apparatus, system, and method for determining a read voltage threshold for solid-state storage media
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United States of America Patent
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Nov 20, 2012
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app pub date -
Jan 27, 2011
filing date -
Jan 27, 2010
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Abstract
An apparatus, system, and method are disclosed for determining a read voltage threshold for solid-state storage media. A data set read module reads a data set from storage cells of solid-state storage media. The data set is originally stored in the storage cells with a known bias. A deviation module determines that a read bias for the data set deviates from the known bias. A direction module determines a direction of deviation for the data set. The direction of deviation is based on a difference between the read bias of the data set and the known bias. An adjustment module adjusts a read voltage threshold for the storage cells of the solid-state storage media based on the direction of deviation.
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