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:
Jul. 13, 2021
Filed:
Jul. 19, 2019
Applicant:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Inventors:
Yongrong Zuo, Santa Clara, CA (US);
Chih-Wei Yao, Saratoga, CA (US);
Wanghua Wu, Santa Clara, CA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/099 (2006.01); H03K 17/687 (2006.01); H04L 7/033 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0996 (2013.01); H01L 29/7833 (2013.01); H03K 17/687 (2013.01); H03L 7/0992 (2013.01); H04L 7/0331 (2013.01); H03L 2207/05 (2013.01); H03L 2207/06 (2013.01);
Abstract
An apparatus and method are provided. The apparatus includes a phase locked loop (PLL) configured to generate a reference signal; a sub-sampling PLL (SS-PLL) connected to the PLL and configured to sub-sample the reference signal; and a first pre-charge circuit connected to the SS-PLL and configured to allow an output voltage of the SS-PLL to transition to an operating voltage to indicate that a difference between two voltage inputs is zero on average.