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US 6,856,163 B2Granted
Power supply decoupling for parallel terminated transmission line
AssigneeMarvell World Trade Ltd.
InventorSehat Sutardja
Life of this patent
Estimating the term…
Abstract
An interconnect circuit for communicating data. The interconnect circuit including at least one driver to receive and transmit data. At least one termination device in communication with each driver. A first power supply having an output to supply power to the driver. A second power supply having an output to supply power to the termination device. A first decoupling capacitor in communication with the first power supply output and the second power supply output.
Claims33
An interconnect circuit for communicating data, comprising:
- at least one driver to receive and transmit data;
- at least one termination device in communication with each driver;
- a driver power supply having an output to supply power to the driver;
- a termination power supply having an output to supply power to the termination device;
- and
- a first decoupling capacitor connected between the driver power supply output and the termination power supply output.
3 more elements
An interconnect circuit for communicating data, comprising:
- means for buffering data;
- means for impedance matching in communication with each means for buffering data;
- driver means for supplying power to the means for buffering data;
- termination means for supplying power in communication with the means for impedance matching;
- and
- a first decoupling capacitor connected between the driver means for supplying power and the termination means for supplying power.
3 more elements
A method for communicating data over a transmission line, comprising:
- providing a driver to buffer the data, the driver having a power input;
- providing a termination device to impedance match the driver;
- supplying power to the power input of the driver;
- supplying power to the termination device;
- and
- forming a high-frequency current path between the power input of the driver and the termination device.
3 more elements
An interconnect circuit for communicating data, comprising:
- at least one driver to receive and transmit data;
- at least one termination device in communication with each driver;
- a first power supply having an output to supply power to the driver;
- a second power supply having an output to supply power to the termination device;
- a first decoupling capacitor connected between the first power supply output and the second power supply output;
- and
- a second filter capacitor having a capacitance, connected between the termination power supply output and ground, wherein the capacitance of the first decoupling capacitor is at least 10 times greater than the capacitance of the second filter capacitor.
4 more elements
An interconnect circuit for communicating data, comprising:
- means for buffering data;
- means for impedance matching in communication with each means for buffering data;
- first means for supplying power to the means for buffering data;
- second means for supplying power in communication with the means for impedance matching;
- a first decoupling capacitor in communication with the first means for supplying power and the second means for supplying power;
- and
- a second filter capacitor having a capacitance, connected between the termination means for supplying power and ground, wherein the capacitance of the first decoupling capacitor is at least 10 times greater than the capacitance of the second filter capacitor.
4 more elements
A method for communicating data over a transmission line, comprising:
- providing a driver to buffer the data, the driver having a power input;
- providing a termination device to impedance match the driver;
- supplying power to the power input of the driver;
- supplying power to the termination device;
- filtering power supplied to the driver and the termination device;
- and
- forming a high-frequency current path between the power input of the driver and the termination device, wherein forming a high-frequency current path includes providing a first decoupling capacitor having a capacitance,
- wherein filtering the power supplied to the termination device includes providing a second filter capacitor having a capacitance, and
- wherein the capacitance of the first decoupling capacitor is at least 10 times greater than the capacitance of the second filter capacitor.
6 more elements
A method for communicating data over a transmission line, comprising:
- providing a driver to buffer the data, the driver having a power input;
- providing a termination device to impedance match the driver;
- supplying power to the power input of the driver;
- supplying power to the termination device;
- filtering power supplied to the driver and the termination device;
- and
- forming a high-frequency current path between the power input of the driver and the termination device, wherein forming a high-frequency current path includes providing a first decoupling capacitor having a capacitance,
- wherein filtering the power supplied to the driver includes providing a first filter capacitor having a capacitance, and
- wherein the first decoupling capacitor has a capacitance that is at least 10 times greater than a capacitance of the first filter capacitor.
6 more elements
An interconnect circuit for communicating data, comprising:
- means for buffering data;
- means for impedance matching in communication with each means for buffering data;
- driver means for supplying power to the means for buffering data;
- termination means for supplying power in communication with the means for impedance matching;
- a first decoupling capacitor connected between the driver means for supplying power and the termination means for supplying power, and
- a first means for filtering connected between the driver means for supplying power and ground,
- wherein the first decoupling capacitor has a capacitance that is at least 10 times greater than a capacitance of the first means for filtering.
4 more elements
Dependencies are inferred from the claim text.