Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 17, 2019
Patent Application Number
15822798
Date Filed
November 27, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
Read reference levels are used to distinguish different data states for information stored in non-volatile memory. A storage system recalibrates its read reference levels, to maintain accuracy of the read process, by sensing samples of data for different test read reference levels and using those samples to determine an improved set of read reference levels. At least a subset of the test read reference levels used for the samples are dynamically and adaptively chosen based on indications of error for previous samples.
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