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:
Aug. 25, 1992
Filed:
Oct. 02, 1990
Mitsuru Shimizu, Sakura, JP;
Syuso Fujii, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A semiconductor memory device is disclosed which comprises a regular row/column memory cell array having blocks obtained by dividing the memory cell array in the column and row directions, a first peripheral circuit irregularly provided between the blocks divided in the column direction, a second peripheral circuit provided between the blocks divided in the row direction and including a first decoder, a third peripheral circuit provided between the first peripheral circuit and the respective block and including a second decoder, and a fourth peripheral circuit provided at the marginal portion of the memory cell array and including bonding pads and input protection circuit.