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:
Sep. 13, 2005
Filed:
Mar. 27, 2003
Applicants:
Arnold Abrera Cruz, Fremont, CA (US);
Randy J. Simmons, San Jose, CA (US);
Inventors:
Arnold Abrera Cruz, Fremont, CA (US);
Randy J. Simmons, San Jose, CA (US);
Assignee:
Xilinx, Inc., San Jose, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L025/00 ;
U.S. Cl.
CPC ...
Abstract
A test cell and method of operation are disclosed. The test cell may be cascaded with other test cells to form a test structure that spans across any number of slices and/or tiles in a programmable logic device. The test structure behaves like a register, and may be used to test direct interconnects and any number their fan-out lines simultaneously.