Overdrive I/O ESD protection network
Abstract:
Systems and methods are provided for an electronic device that comprises a core logic circuit coupled to a supply voltage rail and an operating voltage rail. During a standard operation, the supply voltage rail has a supply voltage, the operating voltage rail has an operating voltage, and a post driver voltage rail has an overdrive voltage that is greater than the operating voltage. The electronic device further comprises a first power clamp circuit coupled to the supply voltage rail and the post driver voltage rail, a low-side logic-high voltage rail coupled to the first end of the core logic circuit, and a first power-to-power clamp circuit coupled to the low-side logic-high voltage rail and the post driver voltage rail. The first power-to-power clamp circuit is configured to receive electrostatic discharge (ESD) current between the post driver voltage rail and the low-side logic-high voltage rail.
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