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. 18, 1989
Filed:
May. 08, 1986
Applicant:
Inventors:
Michael C Smayling, Missouri City, TX (US);
Sebastiano D'Arrigo, Houston, TX (US);
Giuliano Imondi, Rieti, IT;
Sossio Vergara, Frattamaggiore, IT;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365189 ; 365185 ;
Abstract
A fuse circuit for an integrated circuit chip which includes a non-volatile memory element, a circuit programmer for the memory element, and a read circuit for detecting the programmed states of the memory element and providing output signal levels corresponding to the programmed states. A switch is coupled to the read circuit output and switches from an open to a closed position in response to a selected output signal level.