Static information storage and retrieval – Read/write circuit – Precharge
Patent
1990-05-22
1991-05-21
Fears, Terrell W.
Static information storage and retrieval
Read/write circuit
Precharge
365205, G11C 1300, G11C 1140
Patent
active
050181050
ABSTRACT:
A semiconductor memory device includes a pair of bit lines and a sense amplifier device. Each of the pair of bit lines has a parasitic capacitor and a memory cell connected thereto respectively. The memory cell has an electric capacity and a word line connected to a gate of a transistor. The sense amplifier device has a first sense amplifier, a second sense amplifier, a first transistor, a second transisitor and a third transistor for amplifying a potential difference caused by a balance between the parasitic capacitor of one bit line and the electric capacity of one memory cell connected to the one bit line after the pair of bit lines are precharged and the word line of the one memory cell is raised.
REFERENCES:
patent: 4953129 (1990-08-01), Kobayashi et al.
Fears Terrell W.
Ricoh Co. Ltd.
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