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:
Oct. 31, 2000
Filed:
Sep. 02, 1999
Applicant:
Inventors:
Joseph G Pawletko, Germantown, MD (US);
Pau-Ling Chen, Saratoga, CA (US);
Shane Charles Hollmer, San Jose, CA (US);
Assignee:
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36518503 ; 36518517 ; 36518518 ; 365121 ;
Abstract
A method and circuit for sensing multi states of a NAND memory cell by applying plurality of external sensing bias current at a constant positive gate and bias voltage and detecting a cell current wherein the cell current depends upon the state of the memory cell.