Temperature regulated clock rate for microprocessors

Details Temperature regulated clock rate for microprocessors Temperature regulated clock rate for microprocessors

1996-11-22

1999-08-17

Barlow, John

Data processing: measuring, calibrating, or testing

Measurement system

Temperature measuring system

713322, 327378, 340501, G05D 2300

Patent

active

059407867

ABSTRACT:
A system and method for regulating temperature of a microprocessor include an oscillator having a frequency which varies based on temperature of the microprocessor wherein the oscillator is connected to the clock input of the microprocessor. The system and method allow operation of the microprocessor at reduced clock frequencies in an attempt to reduce heat generation and stabilize the microprocessor temperature prior to occurrence of a permanent failure due to an operation at excessive temperature.

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Merchant et al., "Analysis of a Control Mechanism for a Variable Speed Processor", IEEE Transactions on Computers, Jul. 1996.
Cox et al., "VLSI Performance Compensation for Off-Chip Drivers and Clock Generation", IEEE Custom Integrated Circuits Conf., Jun. 1989.

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