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US 8,570,693 B2Granted
Compensating for an electrostatic discharge capacitance load
AssigneeIntel Corporation
InventorsXing Jian Cai, Ke W. Wang, Neffody E. Kraskoff, Wei Z. Gao, Michael J. Castillo
Life of this patent
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Abstract
In some embodiments a differential communication channel compensates for electrostatic discharge capacitance of an electrostatic discharge component by increasing an impedance of the differential communication channel near the electrostatic discharge component. Other embodiments are described and claimed.
Claims13
An apparatus comprising:
- a differential communication channel to compensate for electrostatic discharge capacitance of an electrostatic discharge component;
- and
- a reference plane parallel to the differential communication channel, wherein the reference plane is trenched near the electrostatic discharge component to increase a differential impedance of the differential communication channel near the electrostatic discharge component.
A method comprising:
- compensating for electrostatic discharge capacitance of an electrostatic discharge component by trenching a reference ground plane underneath a differential communication channel to increase a differential impedance of the differential communication channel near the electrostatic discharge component.
An electronic device, comprising:
- a reference plane on an internal layer of a circuit board;
- a differential channel on a surface of the circuit board, the differential channel comprising a first signal line and a second signal line and running parallel to the reference plane;
- an electrostatic discharge component over the first signal line and the second signal line;
- wherein the reference plane is trenched in the area underneath the electrostatic discharge component.
1 more element
Dependencies are inferred from the claim text.