Semiconductor storage device and control method thereof

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United States of America Patent

PATENT NO 8427876
APP PUB NO 20120020165A1
SERIAL NO

13188546

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Abstract

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In one embodiment, there is provided a semiconductor storage device including: a memory cell array; a high voltage generator; and a controller that controls the high voltage generator. When a word line to is selected from word lines, the controller controls the high voltage generator to: apply a first read pass voltage to one or two first adjacent word lines adjacent to the selected word line; apply a second read pass voltage to a second adjacent word line adjacent to the first adjacent word lines, wherein the second read pass voltage is higher than the first read pass voltage; and apply a third read pass voltage to remaining word lines other than the selected word line, the first adjacent word line and the second adjacent word line, wherein the third read pass voltage is higher than the first read pass voltage and lower than the second read pass voltage.

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Patent Owner(s)

Patent OwnerAddress
KIOXIA CORPORATIONTOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takekida, Hideto Nagoya, JP 56 172

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