Voltage boosting power supply circuit of memory integrated circu

Details Voltage boosting power supply circuit of memory integrated circu Voltage boosting power supply circuit of memory integrated circu

1998-04-22

2000-05-09

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327525, 365226, G05F 110

Patent

active

060609427

ABSTRACT:
A voltage boosting power supply circuit of a memory integrated circuit and a method for controlling charge amount of a voltage boosting power supply. The voltage boosting power supply circuit includes first and second power suppliers, first and second fuses, a voltage boosting controller, a voltage boosting enabling unit, and a voltage booster. The first and second power suppliers supply power supply. Each of one ends of the first and second fuses is connected to the first and second power suppliers. The voltage boosting controller generates first and second control signals a voltage boosting controller for generating first and second control signals, responding to a voltage boosting control signal which is in a ground voltage state before signals generated from each of other ends of the first and second fuses and the power supply become stable, and becomes logic high when the power supply becomes stable. The voltage boosting enabling unit generates the third to fifth control signals, responding to the first and second control signals and the voltage boosting enable signal. The voltage booster generates the voltage boosting power supply, responding to the third to fifth control signals.

REFERENCES:
patent: 4695745 (1987-09-01), Mimoto et al.
patent: 5315557 (1994-05-01), Kim et al.
patent: 5448199 (1995-09-01), Park
patent: 5909142 (1999-06-01), Kawasaki et al.

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