Semiconductor memory device capable of attaining higher speed da

Details Semiconductor memory device capable of attaining higher speed da Semiconductor memory device capable of attaining higher speed da

1999-04-06

2000-06-06

Nelms, David

Static information storage and retrieval

Read/write circuit

Precharge

36523003, G11C 700

Patent

active

06072739&

ABSTRACT:
A semiconductor memory device of the present invention includes a data bus and an I/O line which are hierarchically provided data lines. In accordance with a column selection operation, storage data in a memory cell is transmitted from the I/O line through a data bus driver to the data bus. Prior to the column selection operation, the data bus is equalized by an equalization circuit. The equalization circuit includes an equalization capacitor for holding in advance a potential corresponding to an inverted state of the data bus, and a transistor gate for connecting the equalization capacitor and the data bus.

REFERENCES:
patent: 4860257 (1989-08-01), Choi
patent: 5901086 (1999-05-01), Wang et al.
patent: 5907516 (1999-05-01), Kwon et al.

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