Nonvolatile memory device and method of operating the same

A nonvolatile memory device includes a control unit configured to measure a threshold voltage distribution of each of selected pages between a start voltage and an end voltage by performing a read operation on each page in response to a command set for analyzing the threshold voltage distribution, t...

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1. Verfasser: KANG TAI KYU
Format: Patent
Sprache:eng
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Zusammenfassung:A nonvolatile memory device includes a control unit configured to measure a threshold voltage distribution of each of selected pages between a start voltage and an end voltage by performing a read operation on each page in response to a command set for analyzing the threshold voltage distribution, to compare the measured threshold voltage distribution with a reference threshold voltage distribution, and to determine a read voltage having a least amount of errors upon the read operation being performed.