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:
Sep. 06, 2011
Filed:
Sep. 15, 2009
Takashi Shikata, Kawasaki, JP;
Takashi Shikata, Kawasaki, JP;
Fujitsu Semiconductor Limited, Yokohama, JP;
Abstract
There is provided a clock signal selection circuit including: a first AND circuit (AND_A) outputting a logical product signal of a clock selection signal and a first control signal; a second AND circuit (AND_A) outputting a logical product signal of a logical inversion signal of the clock selection signal and a second control signal; a first flip-flop (FF_A) inputting either the logical product signal that the first AND circuit outputs or a signal in accordance with the logical product signal, and outputting a logical inversion signal of a first output signal in synchronization with a first clock signal to the second AND circuit as the second control signal; and a second flip-flop (FF_B) inputting either the logical product signal that the second AND circuit outputs or a signal in accordance with the logical product signal, and outputting a logical inversion signal of a second output signal in synchronization with a second clock signal to the first AND circuit as the first control signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile