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:
Nov. 02, 1999
Filed:
Oct. 31, 1997
Applicant:
Inventor:
Axel Alegre de la Soujeole, Scotts Valley, CA (US);
Assignee:
STMicroelectronics, Inc., Carrollton, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
327538 ; 327 74 ; 327108 ;
Abstract
A circuit device for selecting operating modes using a single reference pin that uses current rather than voltage in an electronic subsystem. An operating mode is selected by modulating the input bias current over a range of values. A specific range is associated with a given function so that a value of current can assume a parametric input into the subsystem. The circuit has widespread application since current can be modulated faster than voltage and it eliminates the need for multiple voltage reference points.