Apparatus and method for waking up a circuit

Details Apparatus and method for waking up a circuit Apparatus and method for waking up a circuit

2008-01-30

2010-06-29

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

07746162

ABSTRACT:
A method for waking up a circuit, comprising charging a voltage line of the circuit with a constant wake-up current until the voltage line reaches a predetermined voltage. Also, an apparatus, comprising a circuit portion, a switch configured to selectively couple an input of the circuit portion to a supply voltage, a current source configured to generate a first current, and a control circuit configured to control a state of the switch depending on the first current.

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