发明名称 Semiconductor memory device with redundant circuit
摘要 A semiconductor memory device in a semiconductor memory circuit with a redundant memory, in which a redundant memory cell compulsory selection circuit is provided and a redundant memory cell compulsory selection signal and a redundant memory address are given from an external portion, whereby after performing the inspection of the redundant memory cell array in advance, the defective row or defective column of the normal memory cell array can be set to a position of the redundant memory cell array not including a defect.
申请公布号 US5784321(A) 申请公布日期 1998.07.21
申请号 US19960773254 申请日期 1996.12.23
申请人 SONY CORPORATION 发明人 YAMAMURA, YASUSHI
分类号 G11C29/00;G11C29/04;(IPC1-7):G11C7/00 主分类号 G11C29/00
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