Electronic digital logic circuitry – Interface – Logic level shifting
Reexamination Certificate
2006-12-05
2006-12-05
Le, Don (Department: 2819)
Electronic digital logic circuitry
Interface
Logic level shifting
C326S038000, C326S081000, C326S083000
Reexamination Certificate
active
07145364
ABSTRACT:
A voltage level translator circuit is selectively operable in one of at least two modes in response to a control signal. In a first mode, the voltage level translator circuit is operative to translate an input signal referenced to a first source providing a first voltage to an output signal referenced to a second source providing a second voltage. In a second mode, the voltage level translator circuit is operative to provide a signal path from an input of the voltage translator circuit to an output thereof without translating the input signal. The control signal is indicative of a difference between the first voltage and the second voltage.
REFERENCES:
patent: 5534798 (1996-07-01), Phillips et al.
patent: 6960953 (2005-11-01), Ichihara
patent: 2003/0141911 (2003-07-01), Steiss et al.
Bhattacharya Dipankar
Kothandaraman Makeshwar
Kriz John C.
Morris Bernard L.
Smooha Yehuda
Agere Systems Inc.
Le Don
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