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. 10, 2003
Filed:
Nov. 02, 2001
Robert Steinhoff, Dallas, TX (US);
Jonathan Brodsky, Richardson, TX (US);
Thomas A. Vrotsos, Plano, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
The electrostatic discharge protection circuit includes: at least two bipolar transistors Q -Qn coupled in series; a top one Qn of the at least two bipolar transistors coupled to a protected node ; a bottom one Q of the at least two bipolar transistors coupled to a common node ; at least two resistors R -Rn coupled in series; each of the at least two resistors is coupled to a corresponding base of one of the at least two bipolar transistors; and a bottom one R of the at least two resistors coupled between a base of the bottom one Q of the at least two bipolar transistors and the common node