Zoned thermal monitoring

Details Zoned thermal monitoring Zoned thermal monitoring

2007-02-20

2007-02-20

Mis, David (Department: 2817)

Oscillators

With device responsive to external physical condition

Temperature or light responsive

C331S057000, C374S141000, C377S025000, C702S130000, C702S132000

Reexamination Certificate

active

11110379

ABSTRACT:
An integrated circuit includes a first temperature sensing device providing an indication of a sensed temperature, a correlation oscillator circuit positioned adjacent to the first temperature sensing device, a plurality of other oscillator circuits, and storage locations storing calibration factors associated with at least the first temperature sensing device and the plurality of other oscillator circuits. A temperature calculation circuit determines temperatures of various locations in the integrated circuit. Each of the temperatures is determined according to an oscillation frequency of a respective one of the other oscillators, the oscillation frequency of the correlation ring oscillator, the temperature of the first temperature sensing device, and one or more stored calibration factors.

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