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. 22, 1998
Filed:
Nov. 19, 1997
Applicant:
Inventor:
Hiroyuki Kobatake, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36518529 ; 36518511 ; 36518522 ;
Abstract
The nonvolatile semiconductor memory of the present invention has erase circuits 30 for supplying predetermined voltage to corresponding blocks, respectively. Each of the erase circuits 30 comprises an erase address detection circuit 33 for detecting whether an erase transistor 31 conducts a switching operation in accordance with a block address signal.
Kobatake, Hiroyuki. (1998). Nonvolatile semiconductor memory device having test circuit for testing (U.S. Patent No. 5812460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5812460
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