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. 12, 2006
Filed:
Dec. 28, 2004
Osamu Wada, Yokohama, JP;
Toshimasa Namekawa, Tokyo, JP;
Osamu Wada, Yokohama, JP;
Toshimasa Namekawa, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor memory device includes a memory cell array comprising a plurality of memory sub-array blocks arranged in a row direction, a plurality of sub-word lines which extend in the row direction to connect with the plurality of memory cells, a plurality of sub-word-line drivers, a plurality of sub-word-line level shifters, a first pre-decoded line group which is connected with the respective sub-word-line drivers, a second pre-decoded line group which extends across the memory sub-array block in the row direction and is connected with the sub-word-line level shifters, and a pre-row-decoder which supplies information of a selected cell to the first and second pre-decoded lines.