CALIBRATION OF PROGRAMMABLE I/O COMPONENTS USING A VIRTUAL VARIABLE EXTERNAL RESISTOR
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United States of America Patent
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Issued Date -
Jul 1, 2010
app pub date -
Dec 30, 2008
filing date -
Dec 30, 2008
priority date (Note) -
Abandoned
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Importance
Abstract
Embodiments provide systems, methods, and integrated circuits having a calibration structure with a calibration component and a measurement structure coupled to the calibration component. The measurement structure is configured to vary a current through the calibration component until a voltage of the calibration component equals an operation voltage. The variable current is a function of at least the operation voltage and a resistance of a resistor external to the measurement structure.
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