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. 28, 2010
Filed:
Apr. 25, 2008
Thuyen Le, Taufkirchen, DE;
Cedric Lichtenau, Stuttgart, DE;
Martin Padeffke, Hildrizhausen, DE;
Thomas Pflueger, Leinfelden, DE;
Thuyen Le, Taufkirchen, DE;
Cedric Lichtenau, Stuttgart, DE;
Martin Padeffke, Hildrizhausen, DE;
Thomas Pflueger, Leinfelden, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
An integrated circuit on a semiconductor chip with a plurality of registers distributed across the semiconductor chip. The registers are writeable and readable. The integrated circuit comprises a central control block. The integrated circuit comprises a plurality of circuit units. The circuit unit includes a functional portion with a local clock controller and one or more of the registers. The circuit unit includes a satellite portion. The central control block and the satellite portions are serially connected together and form a scan chain, wherein the scan chain is formed as a ring.