Semiconductor memory device allowing change of refresh mode and

Details Semiconductor memory device allowing change of refresh mode and Semiconductor memory device allowing change of refresh mode and

1999-05-19

2000-10-31

Nelms, David

Static information storage and retrieval

Addressing

Plural blocks or banks

365222, G11C 800

Patent

active

061412880

ABSTRACT:
A semiconductor integrated circuit device is described. The semiconductor device includes a switching signal generator having an output terminal which outputs a switching signal to change refresh modes. The semiconductor device also includes a first address buffer having an output terminal which outputs a first address signal, a second address buffer having an output terminal which outputs a second signal, a decoder having a first input terminal which receives the first address signal and having a second input terminal, a sense amplifier controller having an input terminal, and a switch having a first input terminal which receives the switching signal, a second input terminal which receives the second address signal, a first output terminal which outputs the second address signal to the second input terminal of the decoder and a second output terminal which outputs the second address signal to the input terminal of the sense amplifier controller, the switch being controlled by the switching signal.

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