Dynamic Semiconductor memory device

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

Patent

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Details

365210, 365222, G11C 1140

Patent

active

044816103

ABSTRACT:
A dynamic semiconductor memory device includes two bit lines connected to a sense amplifier and an active restore circuit which is formed from bit line pull-up transistors, each of which is connected between a bit line connected to the sense amplifier and a high potential source. In the active restore circuit, after the sense amplifier is actuated, the bit line pull-up transistor connected to the bit line on the high potential side is turned on by supplying a control signal to a gate so that the bit line is pulled up to a high voltage potential. The control signal is maintained at a voltage potential lower than the ground level from the time of actuation of the word line to the time of actuation of the sense amplifier.

REFERENCES:
patent: 4363111 (1982-12-01), Heightley

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