公开(公告)号：US20170288398A1

公开(公告)日：2017-10-05

申请号：US15088035

申请日：2016-03-31

Applicant: QUALCOMM Incorporated

Inventor： Eugene Robert WORLEY ,  Reza JALILIZEINALI ,  Sreeker DUNDIGAL ,  Wen-Yi CHEN ,  Krishna Chaitanya CHILLARA ,  Taeghyun KANG

IPC: H02H9/04 ,  H03K19/0185 ,  H03M9/00

CPC classification number: H02H9/046 ,  H03K19/00315 ,  H03K19/018528 ,  H03K19/018592 ,  H03M9/00

Abstract: A method of protecting a serializer/deserializer (SERDES) differential input/output (I/O) circuit includes detecting an electrostatic discharge event. The method also includes selectively disengaging a power supply terminal from a pair of I/O transistors of the SERDES differential I/O circuit in response to the detected electrostatic discharge event. The method further includes selectively disengaging a ground terminal from the pair of I/O transistors of the SERDES differential I/O circuit in response to the detected electrostatic discharge event.