Electronic digital logic circuitry – Interface – Current driving
Reexamination Certificate
2006-05-29
2008-11-04
Barnie, Rexford (Department: 2819)
Electronic digital logic circuitry
Interface
Current driving
C326S083000, C326S086000, C326S089000, C326S090000, C326S092000, C326S062000
Reexamination Certificate
active
07446568
ABSTRACT:
An integrated circuit includes a current mirror circuit for providing a current at an output end, a power-down switch coupled to the output end of the current mirror circuit for controlling access of the current generated by the current mirror circuit based on signals received at a control end of the power-down switch, and a compensating unit coupled to a bias end of the current mirror circuit and the power-down switch for stabilizing voltages at the bias end of the current mirror circuit.
REFERENCES:
patent: 5155384 (1992-10-01), Ruetz
patent: 6144226 (2000-11-01), Fairbanks
patent: 6194955 (2001-02-01), Ishida
patent: 6285223 (2001-09-01), Smith
patent: 7245165 (2007-07-01), De Langen
patent: 2004/0212421 (2004-10-01), Naka et al.
patent: 1312535 (2001-09-01), None
patent: 1711687 (2005-12-01), None
Chang Chin-Tien
Chen Chien-Ru
Chen Ying-Lieh
Barnie Rexford
Himax Technologies Limited
Hsu Winston
Tabler Matthew C
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