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:
Jan. 28, 2020
Filed:
Apr. 25, 2019
Realtek Semiconductor Corporation, Hsinchu, TW;
Jian Liu, Suzhou, CN;
Chi-Kung Kuan, San Jose, CA (US);
REALTEK SEMICONDUCTOR CORPORATION, Hsinchu, TW;
Abstract
Disclosed is a clock data recovery (CDR) device including a master lane circuit and a plurality of slave lane circuits. The master lane circuit includes: a clock multiplication unit including a phase frequency detector (PFD), a charge pump (CP), a voltage-controlled oscillator (VCO), and a loop divider; a master lane sampling circuit; a master lane phase detector (PD); and a master lane multiplexer coupled between the master lane PD and the CP and between the PFD and the CP. Each slave lane circuit includes: a slave lane sampling circuit (SLS); a slave lane PD; a slave lane digital loop filter; a phase rotator (PR); and a slave lane multiplexer coupled between the VCO and the SLS and between the PR and the SLS, in which the master lane multiplexer and the slave lane multiplexers are configured to have the CDR device operate in one of multiple modes.