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. 19, 2000
Filed:
Mar. 16, 1999
NEC Corporation, Tokyo, JP;
Abstract
A semiconductor memory device includes a plurality of memory cell groups, the data for the plurality of memory cell groups being transmitted through mutually different buses, and a redundancy memory cell group common to the plurality of memory cell groups. The semiconductor memory device further includes a control circuit for transmitting data for one or more memory cells of the redundancy memory cell group in place of data for one or more defective memory cells in any of the plurality of memory cell groups. Each of the plurality of memory cell groups is provided corresponding to every different input/output terminal of the memory device, or the plurality of memory cell groups are provided corresponding to a common input/output terminal of the memory device.