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. 14, 2003
Filed:
Nov. 07, 2000
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 2/900 ;
U.S. Cl.
CPC ...
G11C 2/900 ;
Abstract
In a threshold analysis method obtaining threshold voltages of all bits in a flash memory through single processing, fail bit map information is examined in order from a smaller voltage applied to the flash memory. As to a bit exhibiting a value, read from the flash memory, first mismatching a determination value, the threshold voltage is settled on the basis of a voltage applied when the bit fails in reading.