Patent ID: 7894170

Claim:
An electrostatic discharge (ESD) protection device, operating under an ESD event, wherein the electrostatic discharge (ESD) protection device comprises: a first transistor comprising a first source, a first gate and a first drain, wherein the first drain is coupled to a first voltage source and the first source is coupled to a second voltage source; a capacitor comprising a first terminal coupled to the first voltage source and a second terminal coupled to the first gate; a second transistor comprising a second source, a second gate and a second drain, wherein the second drain is coupled to the first gate and the second source is coupled to the second voltage source; and a third transistor comprising a third source, a third gate and a third drain, wherein the third source is coupled to the second voltage source, the third drain is coupled to the first voltage source, the third drain is coupled to the second gate, and the third gate is coupled to the first gate.