Semiconductor memory device

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United States of America Patent

PATENT NO 6618298
APP PUB NO 20020196672A1
SERIAL NO

10144036

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Abstract

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The semiconductor memory device of the present invention is provided with a switching element comprised of a single channel MOS transistor at a halfway of a path used to transmit a high voltage supplied to the memory array via the external terminal at the time of a test performance, so that the switching element is turned off when a word line is changed to another, thereby resetting of the supply voltage having been required conventionally for each test performance is omitted.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1008280 JAPAN
AKITA ELECTRONICS CO LTDTENNOCHO MINAMIAKITA-GUN 64 TENNO AZANAGANUMA AKITA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honma, Kazuki Kodaira, JP 8 82
Kuwahara, Shuichi Akita, JP 1 5
Wada, Masashi Kodaira, JP 59 791

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