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. 17, 2026
Filed:
Mar. 15, 2024
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Inventors:
Jia Han Lin, Hsinchu City, TW;
Shih-Chang Tsai, Hsinchu City, TW;
Feng-Ming Kuo, Hsinchu City, TW;
Chung-Sheng Yuan, Hsinchu City, TW;
Chung-Hsing Wang, Baoshan Township, TW;
Yi-Kan Cheng, Taipei, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, LTD., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/3185 (2006.01); G01R 31/3177 (2006.01); G01R 31/3183 (2006.01); H03K 3/037 (2006.01);
U.S. Cl.
CPC ...
G01R 31/318555 (2013.01); G01R 31/3177 (2013.01); G01R 31/318392 (2013.01); G01R 31/318522 (2013.01); G01R 31/318541 (2013.01); H03K 3/037 (2013.01);
Abstract
Embodiments of the present disclosure are directed to scan chain systems and methods for inputting repeated sequences of bits to a sequence of flip flops that include multi-bit flip flops and single bit flip flops. One example includes a control circuit that includes a bit counter, a multiplexer, a first group control circuit, and a second group control circuit.