Semiconductor memory device including copy circuit

Details Semiconductor memory device including copy circuit Semiconductor memory device including copy circuit

1997-11-03

1998-12-29

Le, Vu A.

Static information storage and retrieval

Addressing

Plural blocks or banks

365207, 365205, G11C 700

Patent

active

058547711

ABSTRACT:
A semiconductor memory device includes a plurality of sense amplifier groups, a sense amplifier drive circuit, a row decoder, and a memory array with a plurality of memory cells. Each sense amplifier group is activated according to a sense amplifier drive signal from the sense amplifier drive circuit. According to the timing of a word line selection in the row decoder and change in the sense amplifier drive signal, the semiconductor memory device has data of some memory cells connected to word line WLi copied speedily and selectively to other memory cells.

REFERENCES:
patent: 4931995 (1990-06-01), Okasaka et al.
patent: 5671188 (1997-09-01), Patel et al.
patent: 5706229 (1998-01-01), Yabe et al.

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