Two stage driver circuit

Details Two stage driver circuit Two stage driver circuit

1995-12-13

1997-07-08

Nguyen, Tan T.

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

36518911, 365226, G11C 700

Patent

active

056468989

ABSTRACT:
In an integrated semiconductor device, a driver circuit is provided for driving a circuit node to a pumped voltage higher than the supply voltage. The driver circuit includes a first driver circuit and a second driver circuit. During a standby mode, the first driver circuit drives the circuit node toward a supply voltage using a conventional voltage supply source. During an active mode, the first driver circuit is disconnected from the circuit node and the second driver circuit drives the circuit node to the pumped voltage using a charge pump. Since the first driver circuit initially drives the potential of the circuit node to the supply voltage without using the charge pump, the driver circuit according to the present invention requires substantially less current to operate than the prior art driver circuit.

REFERENCES:
patent: 4397003 (1983-08-01), Wilson et al.
patent: 4972374 (1990-11-01), Wang et al.
patent: 4984204 (1991-01-01), Sato et al.
patent: 5293342 (1994-03-01), Casper et al.
patent: 5377143 (1994-12-01), McClure
patent: 5467313 (1995-11-01), Jung et al.

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