Nonvolatile memory device and a method of operating the same
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United States of America Patent
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Jun 5, 2018
Issued Date -
May 4, 2017
app pub date -
Jul 12, 2016
filing date -
Nov 3, 2015
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Abstract
A nonvolatile memory device with a memory cell array including a plurality of memory cells coupled to first through M-th wordlines and first through N-th bitlines (M>2, N>2), and a page buffer circuit including first through N-th page buffers that are coupled to the first through N-th bitlines, respectively, and generate first through N-th output data, respectively. A K-th page buffer includes first through L-th latches which generate read data by sampling a voltage of a K-th output line, which is discharged through a K-th bitline, at different sampling timings after a read voltage is applied to a P-th wordline (K≤N, L>1, P≤M). The K-th page buffer outputs the first output data if an error in the read data of the first latch is correctable.
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