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. 28, 2006
Filed:
Jun. 21, 2005
Applicants:
Hee Youl Lee, Icheon-shi, KR;
Sung Jae Chung, Seoul, KR;
Inventors:
Hee Youl Lee, Icheon-shi, KR;
Sung Jae Chung, Seoul, KR;
Assignee:
Hynix Semiconductor, Inc., Ichon-shi, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flash memory device has an improved pre-program function. The flash memory device comprises memory cell blocks each including wordlines, bitlines, and memory cells sharing common source lines; an erase controller generating a pre-program control signal in response to an erase command; and a voltage selection circuit selecting one of first and second common source voltages in response to one among the pre-program control signal, a read command, and a program command and outputting the selected voltage to a global common source line.