SEMICONDUCTOR MEMORY DEVICE

A semiconductor memory device includes a first memory cell, a second memory cell above the first memory cell, a first word line electrically connected to a gate of the first memory cell, a second word line electrically connected to a gate of the second memory cell, and a control unit that performs a...

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Main Authors NAKAMURA, Hiroshi, SATO, Atsuhiro, BABA, Yasuyuki, SHIRAKAWA, Masanobu, SHINOHARA, Hiroshi, ABE, Kenichi, FUTATSUYAMA, Takuya, MINAMI, Toshifumi, YONEHAMA, Keisuke
Format Patent
LanguageEnglish
Published 18.03.2021
Subjects
ELECTRICITY
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Summary:A semiconductor memory device includes a first memory cell, a second memory cell above the first memory cell, a first word line electrically connected to a gate of the first memory cell, a second word line electrically connected to a gate of the second memory cell, and a control unit that performs an erasing operation on the first and second memory cells. During the erasing operation, the control unit applies a first voltage to a first word line and a second voltage higher than the first voltage to a second word line.
Bibliography:Application Number: US202017103504