Method and apparatus for I/O resonance compensation
AssigneeSun Microsystems, Inc.
InventorsClaude R. Gauthier, Aninda K. Roy, Brian W. Amick
Life of this patent
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Abstract
A computer system uses a power distribution network arranged to propagate at least one voltage potential to an integrated circuit. A resonance detector is arranged to detect a power supply resonance. A damping circuit is operatively connected to the resonance detector and the power distribution network. The damping circuit resides external to the integrated circuit and dampens the power supply resonance under control of the resonance detector.
Claims20
A power supply resonance compensation system, comprising:
- a power distribution network arranged to propagate from a power supply at least one voltage potential to an integrated circuit;
- a resonance detector operatively connected to the at least one voltage potential and arranged to detect power supply resonance;
- and
- a damping circuit external to the integrated circuit operatively connected to the resonance detector and the power distribution network, wherein the damping circuit is arranged to dampen the power supply resonance under control of the resonance detector.
A method for reducing power supply resonance, comprising:
- propagating at least one voltage potential from a power supply to an integrated circuit;
- transmitting data to a receiving circuit from the integrated circuit;
- detecting whether a particular level of power supply resonance exists;
- and
- damping the power supply resonance dependent on the detecting, wherein the damping occurs external to the integrated circuit.
An apparatus for reducing power supply resonance, comprising:
- power distribution means for propagating power to an integrated circuit;
- means for detecting power supply resonance on the power distribution means;
- and
- means for damping power supply resonance under control of the means for detecting, wherein the means for damping resides external to the integrated circuit.
Dependencies are inferred from the claim text.