Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

1993-12-02

1995-02-21

Fears, Terrell W.

Static information storage and retrieval

Systems using particular element

Ferroelectric

365117, G11C 1300

Patent

active

053922344

ABSTRACT:
Bit lines BL0 and /BL0 are connected to a sense amplifier SA0, the gate of a first MOS transistor to a first word line WL0, a first electrode of a first Ferroelectric capacitor Cs1 to the source of the first Qn, the drain of the first Qn to BL0, a second electrode of Cs1 to a first plate electrode CP0, the gate of a second MOS transistor Qn to a second word line DWL0, a first electrode of a second Ferroelectric capacitor Cd2 to the source of the second Qn, the drain of the second Qn to /BL0, and a second electrode of Cd1 to a second plate electrode DCP0, and after turning off the second Qn, the logic voltage of DCP0 is inverted. Hence, in a semiconductor memory device employing the Ferroelectric element, the dummy memory capacitor is initialized securely, and high speed reading is enabled without concentration of power consumption.

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