The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2020
Filed:
Jul. 24, 2018
Applicant:
Credo Technology Group Limited, Grand Cayman, KY;
Inventors:
Zhongnan Li, Shanghai, CN;
Yifei Dai, Shanghai, CN;
Assignee:
Credo Technology Group Limited, Grand Cayman, KY;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/317 (2006.01); G01R 31/3177 (2006.01); H01L 25/18 (2006.01); H01L 23/538 (2006.01); H01L 25/065 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/31703 (2013.01); G01R 31/3177 (2013.01); G01R 31/31717 (2013.01); H01L 23/5386 (2013.01); H01L 25/18 (2013.01); H01L 23/5383 (2013.01); H01L 24/16 (2013.01); H01L 25/0655 (2013.01); H01L 2224/16227 (2013.01); H01L 2924/1531 (2013.01); H01L 2924/15192 (2013.01);
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.