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:
Jun. 02, 2009
Filed:
Jul. 28, 2005
Mark S. Fredrickson, Rochester, MN (US);
Glen Howard Handlogten, Rochester, MN (US);
Steven Paul Jones, Rochester, MN (US);
Chad B. Mcbride, Rochester, MN (US);
Mark S. Fredrickson, Rochester, MN (US);
Glen Howard Handlogten, Rochester, MN (US);
Steven Paul Jones, Rochester, MN (US);
Chad B. McBride, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Methods, apparatus, and computer program product are provided for designing logic scan chains for matching gated portions of a clock tree. A clock tree includes a plurality of sections, each section including a gate receiving inputs of a global clock and a chain-specific clock control signal for a particular scan chain. A plurality of scan chains is defined, each including a plurality of latches. Each scan chain latch is connected to a corresponding chain-specific clock tree section.