Semiconductor device having an internal voltage step-up control

Details Semiconductor device having an internal voltage step-up control Semiconductor device having an internal voltage step-up control

1996-01-30

1997-09-02

Popek, Joseph A.

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

365226, 36518911, G11C 700

Patent

active

056639260

ABSTRACT:
In a semiconductor memory device, a power supply voltage detecting circuit receives a power supply voltage for outputting a detection signal which is activated when the power supply voltage is not higher than a reference level and which is deactivated when the power supply voltage is higher than a reference level, and a voltage step-up circuit receives the power supply voltage for supplying a stepped-up voltage. A voltage selection circuit receives the power supply voltage and the stepped-up voltage and is controlled by the detection signal to supply the stepped-up voltage to a word line of the memory when the detection signal is active and the power supply voltage to the word line of the memory when the detection signal is inactive.

REFERENCES:
patent: 5103113 (1992-04-01), Inui et al.

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