公开(公告)号：US09929698B2

公开(公告)日：2018-03-27

申请号：US13841239

申请日：2013-03-15

Applicant: QUALCOMM Incorporated

Inventor： Prasad Srinivasa Siva Gudem ,  Himanshu Khatri ,  Devavrata V Godbole ,  Eugene Robert Worley

IPC: H02H9/00 ,  H03F1/22 ,  H01L27/02 ,  H03F1/52 ,  H03F3/193 ,  H02H9/04

CPC classification number: H03F1/223 ,  H01L27/0255 ,  H02H9/046 ,  H03F1/523 ,  H03F3/193 ,  H03F2200/489

Abstract: An apparatus is described. The apparatus includes an input device. The apparatus also includes a positive supply voltage pad. The apparatus further includes an input signal pad. The apparatus also includes a ground pad. The apparatus further includes charged-device model protection circuitry that protects the input device from electrostatic discharge. The charged-device model protection circuitry includes at least one of de-Q circuitry and a cascode device.