Ring oscillator dynamic adjustments for auto calibration
9 Assignments
0 Petitions
Accused Products
Abstract
An apparatus compensates for voltage and temperature variations on an integrated circuit with: a voltage sensor having a digital voltage output; a temperature sensor having a digital temperature output; a register coupled to the voltage sensor and the temperature sensor, the register adapted to concatenate the digital voltage output and the temperature output into an address output; and a memory device having an address input coupled to the address output of the register, the memory device being adapted to store one or more corrective vectors.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. An integrated circuit, comprising:
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a voltage sensor having a voltage output;
a temperature sensor having a temperature output; and
a memory to receive an input address based upon the voltage output and the temperature output, the memory to store compensation data. - View Dependent Claims (22, 23, 24, 25, 26)
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27. A method for dynamically adjusting for voltage variations on an integrated circuit, comprising:
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periodically sensing a voltage value of the integrated circuit;
accessing a memory of the integrated circuit based on the voltage value, the memory to store compensation data comprising a plurality of adjustment values; and
dynamically adjusting a frequency of the integrated circuit using one of the adjustment values. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. An integrated circuit comprising:
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a voltage sensor to sense a voltage of the integrated circuit;
a memory coupled to the voltage sensor, the memory to store compensation data; and
an oscillator coupled to the memory to receive correction information therefrom, and to vary an operating parameter of the oscillator using the correction information. - View Dependent Claims (38, 39, 40)
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Specification