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:
Jun. 24, 2014
Filed:
Apr. 14, 2011
Applicant:
Weigang Sun, LaPalma, CA (US);
Inventor:
Weigang Sun, LaPalma, CA (US);
Assignee:
MStar Semiconductor, Inc., , TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/356 (2006.01); H03K 21/10 (2006.01); H03K 23/00 (2006.01);
U.S. Cl.
CPC ...
H03K 3/356139 (2013.01); H03K 21/10 (2013.01); H03K 23/00 (2013.01);
Abstract
Various embodiments of a flip-flop and a frequency dividing circuit are provided. In one aspect, a flip-flop includes an input stage and a latch stage. The input stage is capable of converting an input signal to an output signal under the control of a first clock signal and a second clock signal. The latch stage is capable of latching the output signal under the control of a third clock signal and a fourth clock signal. The first clock signal, the second clock signal, the third clock signal and the fourth clock signal have different phases.