Data input buffer in semiconductor device

Details Data input buffer in semiconductor device Data input buffer in semiconductor device

2007-02-20

2007-02-20

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Input noise margin enhancement

C326S022000, C326S021000, C326S090000, C326S086000, C326S115000

Reexamination Certificate

active

11027631

ABSTRACT:
A data input buffer for use in a semiconductor device, including: a detection unit for receiving a reference voltage signal and an input data signal through a first input terminal and a second input terminal respectively in order to detect a voltage level of the input data signal based on a result of comparing the input data signal with the reference voltage in response to a clock enable signal inputted through a third input terminal; and a noise elimination unit connected between the first input terminal and the third input terminal for eliminating a noise of the reference voltage signal.

REFERENCES:
patent: 6288590 (2001-09-01), Sandhu
patent: 6366113 (2002-04-01), Song
patent: 6768691 (2004-07-01), Kumazaki et al.
patent: 6768697 (2004-07-01), Labrum et al.
patent: 2003/0223303 (2003-12-01), Lamb et al.
patent: 2004/0066683 (2004-04-01), Hartmann et al.

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