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:
Dec. 02, 2014

Filed:

Apr. 05, 2013
Applicants:

SK Hynix Inc., Icheon, KR;

Postech Academy-industry Foundation, Pohang, KR;

Inventors:

Hong June Park, Pohang, KR;

Ji Hun Lim, Icheon, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 11/26 (2006.01); H03K 5/13 (2014.01); H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
H03K 5/13 (2013.01); H03K 5/131 (2013.01); H03K 2005/00052 (2013.01); H03K 2005/00058 (2013.01);
Abstract

A multi-stage phase mixer circuit includes: a first phase mixer configured to receive first and second input clock signals and output a first intermediate clock signal according to control of a first coarse control signal; a second phase mixer configured to receive the first and second input clock signals and output a second intermediate clock signal according to control of a second coarse control signal; and a third phase mixer configured to receive the first and second intermediate clock signals and output an output clock signal according to control of a fine control signal.


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