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:
Aug. 09, 2011
Filed:
Feb. 10, 2009
Applicants:
Andy L. Lee, San Jose, CA (US);
Brian D. Johnson, Sunnyvale, CA (US);
Inventors:
Andy L. Lee, San Jose, CA (US);
Brian D. Johnson, Sunnyvale, CA (US);
Assignee:
Altera Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/173 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a DQS bus for implementing high speed multiple-data-rate interface architectures in programmable logic devices. The DQS bus has a balanced tree structure between at least one data strobe circuit and a plurality of I/O register blocks.