Method and apparatus for detecting on-die voltage variations

Details Method and apparatus for detecting on-die voltage variations Method and apparatus for detecting on-die voltage variations

2005-04-19

2005-04-19

Pascal, Robert (Department: 2817)

Oscillators

With particular source of power or bias voltage

Regulated

C331S185000, C331S074000

Reexamination Certificate

active

06882238

ABSTRACT:
On-die voltage and/or frequency detectors. For one aspect, an adaptive frequency clock generation circuit includes a droop detector to detect a supply voltage level and to cause the frequency of an on-die clock signal to be adjusted accordingly.

REFERENCES:
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patent: 5877656 (1999-03-01), Mann et al.
patent: 5889440 (1999-03-01), Kowshik
patent: 6157265 (2000-12-01), Hanjani
patent: 6160755 (2000-12-01), Norman et al.
patent: 6177845 (2001-01-01), Moll
patent: 1 223 493 (2002-07-01), None
patent: 19 146654 (1997-06-01), None
PCT Search Report, International Application No.: PCT/US2004/003386, date of mailing Nov. 10, 2004 (9 pages).

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