Semiconductor memory device

Static information storage and retrieval – Systems using particular element – Capacitors

Patent

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Details

365 63, 365205, G11C 506

Patent

active

052745856

ABSTRACT:
A semiconductor memory device includes a plurality of bit lines, a plurality of memory cells connected to the bit line. The semiconductor memory device also includes control circuits, a first control line and a second control line. The control circuit outputs a control signal. The first control line is formed by a first low resistance conductive layer and is connected to the control circuit to transfer the control signal. The first control signal extends to a first direction. A second control line is formed by a second low resistance conductive layer which is separated from the first conductive layer by an insulating layer. The second control line is connected to the control circuit to transfer the control signal and extends to a second direction which is substantially different from the first direction.

REFERENCES:
patent: 4799197 (1989-01-01), Kodama et al.

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