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. 25, 2006
Filed:
Feb. 17, 2004
Applicants:
Gerd Frankowsky, Höhenkirchen-Siegertsbrunn, DE;
Robert Kaiser, Kaufering, DE;
Inventors:
Gerd Frankowsky, Höhenkirchen-Siegertsbrunn, DE;
Robert Kaiser, Kaufering, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an integrated test circuit in an integrated circuit for testing a plurality of internal voltages. A switching device is provided to select one of the internal voltages in accordance with a selection signal for the purpose of testing, and a comparator device is provided in order to compare a measurement voltage, dependent on the selected internal voltage, with an externally provided reference voltage. An error signal is output as a result of the comparison.