| 主权项 |
1. An electrostatic discharge protection device, comprising:
a protection circuit, comprising a first element and a second element, wherein the first element and the second element are electrically connected in series between a power line and a ground line, a connection node is disposed between the first element and the second element, the first element is a diode, the diode is electrically connected between the power line and the connection node, the second element is a NMOS transistor, a drain of the NMOS transistor is electrically connected to the connection node, a gate of the NMOS transistor is electrically connected to the ground line through a second resistor, and a source of the NMOS transistor is electrically connected to the ground line; a first resistor; and a low-pass filter, wherein the low-pass filter, the protection circuit, and the first resistor are electrically connected in series between an input pad and an internal circuit. |
