Input/output circuit device

Details Input/output circuit device Input/output circuit device

2008-06-17

2008-06-17

Cho, James H (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Significant integrated structure, layout, or layout...

C326S101000

Reexamination Certificate

active

07388401

ABSTRACT:
An input/output circuit device includes a first transistor which is formed at a substrate, a first gate of which receives an input signal, one of a first source and drain of which is connected to a first power supply terminal, and the other of the first source and drain of which is connected to an internal node; and a second transistor which is formed at the substrate, a second gate of which is connected to a second power supply terminal, one of a second source and drain of which is connected to an input/output node, and the other of the second source and drain of which is connected to the internal node. The substrate of the second transistor has an electrically floating potential.

REFERENCES:
patent: 5191244 (1993-03-01), Runaldue et al.
patent: 5963055 (1999-10-01), Tanaka et al.
patent: 6184700 (2001-02-01), Morris
patent: 6269042 (2001-07-01), Kawano et al.
patent: 5-227010 (1993-09-01), None

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