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:
Apr. 27, 2010
Filed:
Apr. 24, 2008
Toshiki Mori, Osaka, JP;
Toshiki Mori, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A semiconductor memory device includes: a memory cell array including a plurality of memory cells arranged in rows and columns for holding information, each of the memory cells having a control gate; a plurality of word lines extending in a row direction, each of the word lines being connected to the control gates of the memory cells of a corresponding row of the memory cell array; a plurality of bit lines extending in a column direction and connected to sources or drains of the memory cells; a row decoder for selecting any of the plurality of word lines; a column decoder for selecting any of the plurality of bit lines; a charge pump circuit for generating a voltage higher than a supply voltage; and a first switch located in a connection path between the row decoder and the charge pump circuit.