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:
May. 26, 2009
Filed:
Jan. 30, 2007
Applicant:
Koji Kishi, Tokyo, JP;
Inventor:
Koji Kishi, Tokyo, JP;
Assignee:
Renesas Technology Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/06 (2006.01); G11C 5/02 (2006.01); G11C 16/04 (2006.01); G11C 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes a plurality of memory mats each including a memory cell storing data, a sense latch portion performing detection of data stored by the memory cell, and a buffer circuit externally outputting read data detected by the sense latch portion. The sense latch portion and the buffer circuit are shared between a plurality of memory mats and are arranged between a plurality of memory mats.