MULTI-PASS SOFT PROGRAMMING
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United States of America Patent
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Mar 31, 2015
Grant Date -
Apr 16, 2015
app pub date -
Oct 10, 2013
filing date -
Oct 10, 2013
priority date (Note) -
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Abstract
Disclosed herein are system, method and computer program product embodiments for utilizing soft programming a nonvolatile memory. An embodiment operates by sequentially applying a single soft programming voltage pulse to all memory cells along each word line in the nonvolatile memory that fail soft programming verification in a first phase. This sequential application of the single soft programming voltage pulse in the first phase may repeat a predetermined number of times or until a threshold is met. Once the predetermined number of times completes, or the threshold is met, soft programming proceeds to a second phase where soft programming remains with each word line until all memory cells along the word line passes soft programming verification.
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