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US 9,543,757 B2Granted
ESD protection circuits and methods
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorMing-Hsien Tsai
Life of this patent
Estimating the term…
Abstract
An electrostatic discharge (ESD) protection circuit includes a first inductor coupled to an input node configured to receive an input signal and to an output node. A second inductor is coupled to the input node and to a first ESD protection device, and a third inductor is coupled to the output node and to a second ESD protection device.
Claims22
An electrostatic discharge (ESD) protection circuit comprising:
- a first inductor coupled to an input node and to an output node, the input node configured to receive an input signal and the output node;
- a second inductor coupled between the input node and a first ESD protection device;
- and
- a third inductor coupled between the output node and a second ESD protection device.
1 more element
A method, comprising:
- receiving an oscillating signal at an input node coupled to an electrostatic discharge (ESD) protection circuit comprising
- a first inductor coupled to the input node to an output node coupled to circuitry,
- a second inductor coupled between the input node and a first ESD protection device, and
- a third inductor coupled between the output node and a second ESD protection device;
- outputting the input signal to the circuitry coupled to the output node;
- and
- providing a channel for current away from the circuitry during an ESD event.
4 more elements
An integrated circuit, comprising:
- circuitry;
- and
- an electrostatic discharge (ESD) protection circuit including
- a first inductor coupled to an input node configured to receive an input signal and to an output node coupled to the circuitry,
- a second inductor coupled between the input node and a first ESD protection device, and
- a third inductor coupled between the output node and a second ESD protection device,
- wherein the second inductor is disposed in series with the first ESD protection device, and the third inductor is disposed in series with the second ESD protection device.
4 more elements
Dependencies are inferred from the claim text.