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:
Apr. 10, 2001
Filed:
Apr. 13, 1999
Applicant:
Inventors:
Ross E. Teggatz, McKinney, TX (US);
John H. Carpenter, Jr., Rowlett, TX (US);
Tohru Tanaka, Dallas, TX (US);
Joseph A. Devore, Richardson, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/22 ;
U.S. Cl.
CPC ...
H02H 3/22 ;
Abstract
A internal circuitry protection scheme which protects on-IC circuitry when an external pin is shorted to a higher than normal voltage. The disclosed solution eliminates cross-talk due to a parasitic NPN.