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:
Mar. 03, 2009
Filed:
Dec. 12, 2007
Applicants:
Chen-hui Hsieh, Chu-Pei, TW;
Chingwen Chang, Saratoga, CA (US);
Wei-chia Cheng, Hsinchu, TW;
Shih-chieh Lin, Hualien, TW;
Inventors:
Chen-Hui Hsieh, Chu-Pei, TW;
Chingwen Chang, Saratoga, CA (US);
Wei-Chia Cheng, Hsinchu, TW;
Shih-Chieh Lin, Hualien, TW;
Assignee:
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bidirectional shift register is disclosed which comprises a first and second flip-flop, a first multiplexer having an output coupled to an input of the first flip-flop, and a second multiplexer having an output coupled to an input of the second flip-flop wherein an output of the first flip-flop is coupled to an input of the second multiplexer, an output of the second flip-flop is coupled to an input of the first multiplexer.