Direct-current voltage generating circuit intermittently activat

Details Direct-current voltage generating circuit intermittently activat Direct-current voltage generating circuit intermittently activat

1995-12-18

1997-09-16

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327160, 327530, 36518909, 365227, G05F 110

Patent

active

056684975

ABSTRACT:
Disclosed is a DC voltage generating circuit for reducing an electric power consumption in a semiconductor memory device. The DC voltage generating circuit comprises: a refresh counter for setting a refresh cycle; a power source supply controller for logically combining a counting value supplied from the refresh counter and a self-refresh timer driving signal, thereby to generate a power source supply control signal in a refresh section; and a DC voltage generator for generating and supplying a DC voltage through an output terminal of the DC voltage generator, as controlled by the power source supply control signal supplied from the power source supply controller.

REFERENCES:
patent: 5359558 (1994-10-01), Chang et al.
patent: 5365487 (1994-11-01), Patel et al.
patent: 5430681 (1995-07-01), Sugawara et al.
patent: 5440259 (1995-08-01), Yokomura
patent: 5459435 (1995-10-01), Taki
patent: 5521952 (1996-05-01), Morishima

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