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:
Sep. 04, 2001
Filed:
May. 02, 2000
Applicant:
Inventors:
Hisayuki Shimada, San Jose, CA (US);
Wing Leung, Cupertino, CA (US);
Assignee:
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 1/604 ;
U.S. Cl.
CPC ...
G11C 1/604 ;
Abstract
A flash memory device and a method to erase the flash memory device having a plurality of memory cells each having a source, a drain, a control gate, wherein the memory cells are organized in rows and columns with a wordline attached to the control gates of the memory cells in a row, with a bitline attached to the drains of cells in a column and a sourceline attached to the sources of cells in a row, and a switch connected between each sourceline and V,is controlled by sourceline decode circuit that opens a sourceline switch after the cells on the associated wordline verify as erased.