| 摘要 |
A feedback enhanced triggering device for an electrostatic discharge protection circuit includes: a first inverter 30b having an output coupled to an input of a second inverter 30c, the second inverter 30c having an output coupled to a control node for a discharge device 31 such as a transistor; a high side feedback transistor 34 coupled to the output of the first inverter 30b, and having a control node coupled to the output of the second inverter 30c; and a low side feedback transistor 35 coupled to the output of the first inverter 30b, and having a control node coupled to the output of the second inverter 30c, wherein the feedback transistors 34 and 35 provide enhanced triggering for electrostatic discharge protection.
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