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. 07, 2004
Filed:
May. 03, 2001
Applicant:
Inventor:
Michael L. Lovejoy, Albuquerque, NM (US);
Assignee:
Xilinx, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/13177 ; G01R 3/13187 ;
U.S. Cl.
CPC ...
G01R 3/13177 ; G01R 3/13187 ;
Abstract
A method and apparatus for test vector compression is described. More particularly, a response analyzer is described having a shift register and a multiple-input signature register. The shift register is used to perform a first vector space reduction, and the MISR is used to perform a second vector space compression. Accordingly the MISR may be scaled down in input width by a reduction factor of the shift register.