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:
Oct. 07, 2014
Filed:
Dec. 27, 2011
Li-wei Chu, Hsinchu, TW;
Chun-yu Lin, Hualien, TW;
Shiang-yu Tsai, New Taipei, TW;
Ming-dou Ker, Zhubei, TW;
Ming-hsien Tsai, Sindian, TW;
Tsun-lai Hsu, Guansi Township, Hsinchu County, TW;
Chew-pu Jou, Hsinchu, TW;
Li-Wei Chu, Hsinchu, TW;
Chun-Yu Lin, Hualien, TW;
Shiang-Yu Tsai, New Taipei, TW;
Ming-Dou Ker, Zhubei, TW;
Ming-Hsien Tsai, Sindian, TW;
Tsun-Lai Hsu, Guansi Township, Hsinchu County, TW;
Chew-Pu Jou, Hsinchu, TW;
Taiwan Semiconductor Manufacturing Co., Ltd., Hsin-Chu, TW;
Abstract
An electrostatic discharge protection circuit includes an input node coupled to receive an input signal and an output node coupled to output the input signal to an internal circuit. A first inductor is coupled to the input node and to the output node, and a second inductor is coupled to the output node and to a first power supply node through a resistance. A plurality of protection devices are coupled to the first and second inductors and are disposed in parallel with each other.