Input buffer circuit and semiconductor memory device

Details Input buffer circuit and semiconductor memory device Input buffer circuit and semiconductor memory device

2005-05-24

2005-05-24

Wamsley, Patrick (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C327S297000

Reexamination Certificate

active

06897684

ABSTRACT:
An input buffer circuit is made up from: a differential amplifier that receives an input signal from the outside and a reference voltage for determining the level of the input signal; a transistor for a first operating current path for supplying a prescribed first operating current to the differential amplifier and that, by having a prescribed fixed voltage supplied to its gate, is always ON; and at least one transistor for a second operating current path for supplying a second operating current that is greater than the first operating current to the differential amplifier when ON, the transistor for the second operating current path being ON/OFF controlled in accordance with a control signal from the outside.

REFERENCES:
patent: 5225717 (1993-07-01), Shiomi et al.
patent: 5440248 (1995-08-01), Brown et al.
patent: 5699010 (1997-12-01), Hatanaka
patent: 5734617 (1998-03-01), Zheng
patent: 5736871 (1998-04-01), Goto
patent: 5771198 (1998-06-01), Kang et al.
patent: 5781061 (1998-07-01), Miyashita et al.
patent: 6020761 (2000-02-01), Hwang et al.
patent: 6172524 (2001-01-01), Cho
patent: 6184738 (2001-02-01), Iwamoto et al.
patent: 6373297 (2002-04-01), Lee et al.
patent: 6414517 (2002-07-01), Kim et al.
patent: 6452854 (2002-09-01), Kato et al.
patent: 6459556 (2002-10-01), Taguchi
patent: 6825692 (2004-11-01), Chung et al.
patent: 8-306185 (1996-11-01), None
patent: 9-027192 (1997-01-01), None
patent: 9-294062 (1997-11-01), None
patent: 11-203866 (1999-07-01), None
patent: 2000-216646 (2000-08-01), None

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