发明名称 SEMICONDUCTOR MEMORY DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To reduce a chip area in a twin-cell semiconductor memory device. <P>SOLUTION: In a twin-cell semiconductor memory device 1 that stores data as complementary information into a pair of memory cell, a memory cell MC is arranged at a bit-line pitch for each word lines WLa, WLb, and then the twin cell is formed with two memory cells MC, which are connected with bit-lines BL1/BL2 or bit-lines BL2/BL2 and stored with complementary information which indicates a region E1 or a region E2. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004119937(A) 申请公布日期 2004.04.15
申请号 JP20020285061 申请日期 2002.09.30
申请人 FUJITSU LTD 发明人 SATO AYAKO;MATSUMIYA MASATO;ETO SATOSHI
分类号 H01L27/108;G11C5/06;G11C11/34;G11C11/40;G11C11/401;G11C11/405;H01L21/8242;H01L21/8246;H01L27/02;H01L27/10;H01L27/112 主分类号 H01L27/108
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