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. 22, 2021
Filed:
Jul. 31, 2019
Applicant:
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Inventors:
Wan-Yen Lin, Kaohsiung, TW;
Bo-Ting Chen, Fengyuan, TW;
Assignee:
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/02 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0285 (2013.01);
Abstract
An electrostatic discharge (ESD) protection circuit (for a protected device in a semiconductor system, the protected device being coupled between a first node and a first reference voltage) includes: an ESD device coupled between the first node and the first reference voltage; a logic block including a first input and an output, the first input being coupled to a second reference voltage, and the output being coupled to an input of the ESD device and a feedback control circuit coupled between the first node and a second input of the logic block.