Program method of flash memory device

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United States of America Patent

PATENT NO 8238153
APP PUB NO 20110026330A1
SERIAL NO

12903968

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Abstract

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In a program method of a flash memory device where memory cells within a string are turned on to electrically connect channel regions, all of the channel regions within a second string are precharged uniformly by applying a ground voltage to a first bit line connected to a first string including to-be-programmed cells and a program-inhibited voltage to a second bit line connected to the second string including program-inhibited cells. If a program operation is executed, channel boosting occurs in the channel regions within the second string including the program-inhibited cells. Accordingly, a channel boosting potential can be increased and a program disturbance phenomenon, in which the threshold voltage of program-inhibited cells is changed, can be prevented.

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Patent Owner(s)

Patent OwnerAddress
HYNIX SEMICONDUCTOR INCGYEONGGI-DO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Hee Youl Icheon-si, KR 199 875

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