On-chip supply regulators

Details On-chip supply regulators On-chip supply regulators

2008-04-29

2008-04-29

Le, Don (Department: 2819)

Electrical computers and digital processing systems: support

Computer power control

C323S318000

Reexamination Certificate

active

11423869

ABSTRACT:
Integrated circuit chips with on-chip supply regulators with programmability and initialization. In one embodiment, an integrated circuit, includes: an initialization circuit to assert an initialization signal during powering up of the integrated circuit; a control circuit coupled to the initialization circuit; and a power supply regulator coupled to the control circuit, the power supply regulator to provide a first voltage to the control circuit when the initialization signal is asserted, the power supply regulator to provide a second voltage to the control circuit according to a control signal from the control circuit when the initialization signal is not asserted. In one embodiment, the integrated circuit includes a digital television demodulator.

REFERENCES:
patent: 4042830 (1977-08-01), Kellenbenz et al.
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patent: 5323066 (1994-06-01), Feddeler et al.
patent: 5912855 (1999-06-01), McLaury
patent: 6882373 (2005-04-01), Hong et al.
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patent: 2002/0065059 (2002-05-01), Yasuda
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patent: 2005/0280742 (2005-12-01), Jaffe
Data Sheet of Philps TDA10021HT DVB-C Channel Receiver, Oct. 1, 2001.
Data Sheet of Zarlink ZL10210 DVB-C Cable Channel Demodulator, (Nov. 2005).

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