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:
Sep. 12, 2023
Filed:
Oct. 13, 2022
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Sameer Wadhwa, San Diego, CA (US);
Lennart Karl-Axel Mathe, San Diego, CA (US);
Assignee:
QUALCOMM INCORPORATED, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/081 (2006.01); H03K 5/13 (2014.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0818 (2013.01); H03K 5/13 (2013.01); H03K 2005/00019 (2013.01);
Abstract
A delay cell for a delay locked loop, DLL, based serial link is disclosed. The delay cell has a first stage and a second stage, wherein an output of the first stage is an input to the second stage, the first stage comprising a resistive digital to analog converter, R-DAC and the second stage comprising a current starved delay cell.