公开(公告)号：US10605860B2

公开(公告)日：2020-03-31

申请号：US16044065

申请日：2018-07-24

Applicant: Credo Technology Group Limited

Inventor： Zhongnan Li ,  Yifei Dai

IPC: G01R31/317 ,  G01R31/3177 ,  H01L25/18 ,  H01L23/538 ,  H01L25/065 ,  H01L23/00

Abstract: A device includes a first die including a pseudo-random binary sequence (“PRBS”) generator that outputs test signals on parallel lanes. The device further includes a second die comprising a PRBS checker that compares at least a portion of the test signals with reference signals to identify a particular lane associated with an error.

公开(公告)号：US20190041455A1

公开(公告)日：2019-02-07

申请号：US16044065

申请日：2018-07-24

Applicant: Credo Technology Group Limited

Inventor： Zhongnan Li ,  Yifei Dai

IPC: G01R31/317 ,  G01R31/3177 ,  H01L25/18 ,  H01L23/538

Abstract: A device includes a first die including a pseudo-random binary sequence (“PRBS”) generator that outputs test signals on parallel lanes. The device further includes a second die comprising a PRBS checker that compares at least a portion of the test signals with reference signals to identify a particular lane associated with an error.