Electrostatic discharge protection circuit and semiconductor circuit
US11973076B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2021 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Jun 13, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D62/8503
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a electrostatic discharge (ESD) protection circuit, coupled between a first reference terminal and a second reference terminal; the ESD protection circuit includes a first voltage divider, a second voltage divider, a first trigger circuit and a second trigger circuit. The first trigger circuit includes a first terminal and a second terminal, wherein the first terminal is coupled to the first reference terminal, and the second terminal is coupled to the second reference terminal via the first voltage divider. The second trigger circuit includes a first terminal and a second terminal, wherein the first terminal is coupled to the second reference terminal, the second terminal is coupled to the first reference terminal via the second voltage divider, and the second trigger circuit and the first trigger circuit are in parallel connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.