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:
Jun. 29, 2004
Filed:
Jan. 09, 2003
Applicant:
Inventor:
Hiroki Wake, Chiba, JP;
Assignee:
Seiko Instruments Inc., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 1/604 ; G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 1/604 ; G11C 7/00 ;
Abstract
The semiconductor storage device includes: a booster circuit ( ) for boosting a power supply voltage ( ) supplied to the IC; and a limiter circuit ( ) having a function of performing voltage limitation of a high voltage which is a booster circuit output. The limiter circuit selects one voltage value from two values based on whether it is a data recording/erasing time or an evaluation time, to output the one to the memory circuit block