Boosting circuit with boosted voltage limited

Details Boosting circuit with boosted voltage limited Boosting circuit with boosted voltage limited

1999-04-07

2000-10-31

Nelms, David

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

365226, 365241, G11C 700

Patent

active

061412627

ABSTRACT:
A boosting circuit includes a plurality of boosting circuit units, a voltage detecting circuit and a boost control circuit. The plurality of boosting circuit units have their outputs connected together and respectively having voltage boosting functions. Each of the plurality of boosting circuit units generates a boosted voltage higher than a power supply voltage in response to a drive signal. The voltage detecting circuit detects whether or not the boosted voltage is higher than a predetermined voltage, to generate a voltage control signal when it is detected that the boosted voltage is higher than a predetermined voltage. The boost control circuit limits the voltage boosting functions of predetermined ones of the plurality of boosting circuit units in response to the voltage control signal.

REFERENCES:
patent: 5426333 (1995-06-01), Maeda
patent: 5612924 (1997-03-01), Miyamoto
patent: 5777317 (1998-07-01), Maki
patent: 5805435 (1998-09-01), Pascucci
patent: 5940333 (1999-08-01), Chung
J.C. Chen et al., "A 2.7V only 8Mbx16 NOR Flash Memory", Symposium on VLSI Circuits Digest of Technical Papers, (1996), pp. 172-173.

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