Data input/output buffer and semiconductor memory device...

Details Data input/output buffer and semiconductor memory device... Data input/output buffer and semiconductor memory device...

2006-02-14

2006-02-14

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S082000, C326S112000, C326S119000

Reexamination Certificate

active

06998873

ABSTRACT:
Provided is a data input/output buffer and a semiconductor memory device using the same. A transistor of a switching means or a logical element out of devices constituting a data input/output buffer, to which a data signal is inputted most rapidly, is implemented using a low voltage-driven device whose threshold voltage is low. It is therefore possible to improve reliability of a circuit by exactly determining the level of a data signal even if the data signal is inputted as a level that is lowered as much as a threshold voltage.

REFERENCES:
patent: 6542011 (2003-04-01), Onishi
patent: 6650168 (2003-11-01), Wang et al.
patent: 6842377 (2005-01-01), Takano et al.

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