Qualcomm Incorporated

Gurmukh Singh

Ashwin Sethuram

Jaseem Ahammed

An ESD protection circuit in an interface circuit has a first diode coupled between a power source of an integrated circuit device and an input/output pad of the integrated circuit device, a second diode coupled between a first terminal of a first resistive element and the input/output pad, with a second terminal of the first resistive element being coupled to the power source, a second resistive element that couples the second diode to the first diode and to the input/output pad; a first clamping circuit coupled between the power source and a ground reference of the integrated circuit device, and a second clamping circuit coupled between the first terminal of the first resistive element and the ground reference. The power source supplies a driver circuit coupled to the input/output pad.

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San Marcos, CA, United States of America

Gurmukh Singh