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. 24, 2003
Filed:
Dec. 07, 2001
Applicant:
Inventor:
Michael J. Callahan, Jr., Austin, TX (US);
Assignee:
STMicroelectronics, Inc., Carrollton, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/22 ;
U.S. Cl.
CPC ...
H03K 5/22 ;
Abstract
A device and method for selecting within a group of analog signals the one with the lowest or with the highest value. In one embodiment the device has a differential amplifier configuration having an input to receive a comparison signal, a plurality of inputs to receive analog signals and a corresponding plurality of outputs to provide digital voltage signals. This device also has at least one logic circuit having a plurality of input terminals, each connected to a corresponding output of the differential amplifier configuration, and having at least one output terminal.