NONVOLATILE MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME

NONVOLATILE MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME

A method of controlling a nonvolatile memory device, includes: determining, based on a write address, whether selected memory cells of the nonvolatile memory device corresponding to the write address are included in an over-erased group; based on the selected memory cells being included in the over-...

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Hauptverfasser: YU, Jaeduk, PARK, Sangsoo, CHOI, Yonghyuk, LEE, Yohan
Format: Patent
Sprache:eng ; fre ; ger
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INFORMATION STORAGE
PHYSICS
STATIC STORES
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creator YU, Jaeduk
PARK, Sangsoo
CHOI, Yonghyuk
LEE, Yohan
description A method of controlling a nonvolatile memory device, includes: determining, based on a write address, whether selected memory cells of the nonvolatile memory device corresponding to the write address are included in an over-erased group; based on the selected memory cells being included in the over-erased group, performing a preprogram operation to increase threshold voltages of an over-erased state of the selected memory cells; and after completion of the preprogram operation, performing a data program operation to store write data in the selected memory cells.
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subjects INFORMATION STORAGE
PHYSICS
STATIC STORES
title NONVOLATILE MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME
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