Methods of system optimization by over-sampling read

A method of controller optimization utilizing over-sampling read (OSR) in a memory device includes performing a first internal read at a predetermined threshold level and transferring the first internal read measurement to the controller, performing a second internal read in a range that is between...

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Bibliographische Detailangaben
Hauptverfasser: Lee, June, Pignatelli, David J, Zhang, Fan
Format: Patent
Sprache:eng
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Zusammenfassung:A method of controller optimization utilizing over-sampling read (OSR) in a memory device includes performing a first internal read at a predetermined threshold level and transferring the first internal read measurement to the controller, performing a second internal read in a range that is between the predetermined threshold level plus a first predetermined value and the predetermined threshold level minus a second predetermined value, and determining whether a cell level falls in the range and transferring the second internal read measurement to the controller.