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. 23, 1993
Filed:
Jun. 29, 1992
Applicant:
Inventors:
Sebastiano D'Arrigo, Houston, TX (US);
Giuliano Imondi, Rieti, IT;
Sung-Wei Lin, Houston, TX (US);
Gill Manzur, Rosharon, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36518909 ; 365185 ; 36518911 ; 365218 ; 36523006 ; 365226 ;
Abstract
A circuit for applying reading, programming and erasing voltages to a wordline in a floating-gate-type EEPROM cell array comprising a positive voltage switching circuit, a first isolating transistor, and a second isolating transistor. The positive voltage switching circuit may include an inverter with feedback transistor and a third isolating transistor. In one embodiment, the positive voltage switching circuit is capable of switching up to three positive voltage values and reference voltage to the wordline terminal.