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:
Dec. 12, 2006
Filed:
Dec. 02, 2003
Hideshi Maeno, Tokyo, JP;
Hideshi Maeno, Tokyo, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
A semiconductor integrated circuit has a scan path that includes, between the output of the first logic section and the input of the functional block, a parallel path and a serial shift path for serially transferring data, and that includes first selectors for connecting the output of the first logic section or the serial shift path to the input of the functional block, and flip-flops for storing the data. The semiconductor integrated circuit further includes second selectors connected into the serial shift path of the scan path, for connecting the output of the functional block or the serial shift path to the input of the second logic section. Test data is provided from the serial shift path of the scan path to the functional block via the second selectors, and data output from the functional block is output via the second selectors after switching the second selectors.