Data line termination circuit

Details Data line termination circuit Data line termination circuit

2011-01-04

2011-01-04

Barnie, Rexford N (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Bus or line termination

Reexamination Certificate

active

07863928

ABSTRACT:
A data line termination circuit includes a swing-width sensing unit configured to sense a swing width of a voltage of a data line and output a sensed signal, and a variable termination unit configured to adjust a termination resistance value of the data line in response to the sensed signal. The swing-width sensing unit can sense if the swing width is less than or greater than a predetermined swing width, and the swing width of the voltage of the data line can be reduced or increased to maintain the voltage of the data line within a predetermined range.

REFERENCES:
patent: 5327317 (1994-07-01), Lee
patent: 5729152 (1998-03-01), Leung et al.
patent: 7157931 (2007-01-01), Song
patent: 2008/0112246 (2008-05-01), Mei
patent: 1020060038234 (2006-05-01), None

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