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.

Date of Patent:
Apr. 01, 2025

Filed:

Jun. 30, 2023
Applicants:

Silicon Mitus, Inc., Seongnam-Si, KR;

Hangzhou Silicon-magic Semiconductor Technology Co., Ltd., Hangzhou, CN;

Inventors:

Young Jae Chang, Seoul, KR;

Sung Ryong Lee, Seongnam-Si, KR;

Jae Sam Shim, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/081 (2006.01); H03L 7/089 (2006.01); H04L 7/033 (2006.01);
U.S. Cl.
CPC ...
H03L 7/0816 (2013.01); H03L 7/089 (2013.01); H04L 7/033 (2013.01);
Abstract

A clock and data recovery device includes an equalizer that compensates for channel loss of input data, a phase detector that compares a data output from the equalizer with a clock fed back and outputs an up signal and a down signal, a charge pump that operates according to the up signal and the down signal and outputs a control signal, a loop filter that removes high-frequency components included in the control signal, a voltage controlled oscillator that changes a frequency of the clock and outputs a clock with changed frequency, and a data phase adjuster that synchronizes the clock output from the voltage controlled oscillator and the data output from the equalizer by adjusting a phase of the data output from the equalizer by receiving the up signal and the down signal output from the phase detector.


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