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:
Mar. 09, 2004
Filed:
Jan. 22, 2002
Sven Boldt, München, DE;
Infineon Technologies AG, Munich, DE;
Abstract
An operating property of the integrated circuit, such as its speed class, value is determined during testing. In order to identify the integrated circuit with a value for its operating property, there are provided at least two registers whose outputs are logically combined bit by bit via OR gates. The registers are preferably programmable with fuses. In a first test run, the first register is programmed with the ascertained value of the operating property, and the second register is correspondingly programmed in a second test run. The logic combination enables the less significant value of the operating property to predominate. The storage of this value on the integrated circuit itself simplifies the later identification on the housing of the integrated circuit.