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:
Mar. 15, 2016
Filed:
May. 16, 2013
Fujitsu Semiconductor Limited, Yokohama, Kanagawa, JP;
Kengo Tanaka, Tachikawa, JP;
SOCIONEXT INC., Yokohama, JP;
Abstract
A semiconductor memory device including a plurality of memory blocks each including a bit line to which a plurality of memory cells are connected, and a dummy bit line to which a plurality of dummy cells are connected; a reference cell; and a sense amplifier including a first input terminal to which selected memory cell of the plurality of memory cells is to be electrically connected via the bit line, and a second input terminal to which the reference cell is to be electrically connected, the dummy bit line of one memory block of the plurality of memory blocks different from another memory block of the plurality of memory blocks including the selected memory cell being to be electrically connected to the second input terminal of the sense amplifier.