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. 16, 2026
Filed:
Mar. 11, 2024
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Hidehiro Fujiwara, Hsin-chu, TW;
Kao-Cheng Lin, Taipei City, TW;
Wei Min Chan, Sindian City, TW;
Yen-Huei Chen, Jhudong Township, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Abstract
A device includes a first power rail for a first power domain and a second power rail for a second power domain. A first circuit block is connected to the first power rail and a second circuit block is connected to the second power rail. The first and second circuit blocks are both connected to a virtual VSS terminal. A footer circuit is connected between the virtual VSS terminal and a ground terminal, and the footer circuit is configured to selectively control a connection between the virtual VSS terminal and the ground terminal.