Semiconductor memory device having a capability for controlled a

Details Semiconductor memory device having a capability for controlled a Semiconductor memory device having a capability for controlled a

1994-02-08

1995-01-24

LaRoche, Eugene R.

Static information storage and retrieval

Interconnection arrangements

365 51, 257208, G11C 506

Patent

active

053847261

ABSTRACT:
A semiconductor memory device includes a memory cell array in which a number of sense amplifiers are provided, a plurality of segmented drive lines each connected to a group of sense amplifiers for driving the same, each of the segmented drive lines being formed of first and second drive line segments forming a pair, and a number of trunks for supplying electric power to the segmented drive lines. Each of the trunks includes a first conductor strip extending from a first side of the memory cell array toward a second side for connection to a plurality of the first drive line segments upon crossing the same, and a second conductor strip extending from the second side of the memory cell array toward the first side for connection to a plurality of the second drive line segments upon crossing the same. The first and second conductor strips have distal end parts having a reduced width and a mutually complementary shape, such that the first and second conductor strips are disposed to form a straight strip having a substantially constant width throughout the memory cell array.

REFERENCES:
patent: 4747078 (1988-05-01), Miyamoto
patent: 5014241 (1991-05-01), Asakura et al.
patent: 5072425 (1991-12-01), Kohno et al.
patent: 5184321 (1993-02-01), Konishi et al.
patent: 5272665 (1993-12-01), Uesugi
patent: 5321646 (1994-06-01), Tomishima et al.

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