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:
May. 10, 2016
Filed:
May. 12, 2014
Applicant:
Silicon Motion Inc., Hsinchu County, TW;
Inventor:
Yu-Hsuan Cheng, New Taipei, TW;
Assignee:
Silicon Motion Inc., Taiyuan St., Jhubei, Hsinchu County, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 25/00 (2006.01); H03D 13/00 (2006.01);
U.S. Cl.
CPC ...
G01R 25/005 (2013.01);
Abstract
A phase detector, arranged for comparing a phase of a first clock with a phase of a second clock. The phase detector includes a phase detection stage and a metastable prevention stage. The phase detection stage is arranged to receive the first clock and the second clock, and to output a phase comparison result in accordance with the phase of the first clock and the phase of the second clock. The metastable prevention stage is arranged to receive the phase comparison result, and to output a stable phase comparison result in accordance with the phase comparison result.