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. 03, 2019
Filed:
Jun. 30, 2017
Applicant:
Cadence Design Systems, Inc., San Jose, CA (US);
Inventors:
Sambarta Rakshit, Ellicott City, MD (US);
Eric Harris Naviasky, Ellicott City, MD (US);
Assignee:
Cadence Design Systems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); H03L 7/083 (2006.01); H03L 7/24 (2006.01); H03K 3/03 (2006.01); H03L 7/07 (2006.01); H03L 7/091 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0995 (2013.01); H03K 3/0315 (2013.01); H03L 7/07 (2013.01); H03L 7/083 (2013.01); H03L 7/091 (2013.01); H03L 7/0998 (2013.01); H03L 7/24 (2013.01);
Abstract
Various embodiments described herein provide a multiple injection lock ring-based PI that can inject a plurality of clock signals, of different phases, at injection points disposed along the ring chain of the PI and lock phase to those received clock signals (injected clock signals). For instance, an embodiment described herein may provide a multiple injection lock ring-based PI that permits double injection, triple injection, or the like, of clock signals external into the PI.