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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.:

US 12578386 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Mar. 15, 2024

Scan chain control

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:

Merchant & Gould P.C.

Primary Examiner:

Cynthia Britt

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.

Find Patent Forward Citations

Lin, Jia. (2026). Scan chain control (U.S. Patent No. 12578386). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12578386

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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