| 摘要 |
An electrostatic discharge (ESD) protection circuit and method thereof are presented. In some embodiments, a high voltage tolerant input/output circuit comprises an ESD detection circuit, a first first-type transistor, a first second-type transistor, and a second second-type transistor. The first first-type transistor and the first second-type transistor are coupled to a pad. The ESD detection circuit determines whether ESD occurs at the pad and, if so, couples the gates of the first and second second-type transistors to the second power rail.
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