Sense amplifier driver having variable power-supply voltage

Details Sense amplifier driver having variable power-supply voltage Sense amplifier driver having variable power-supply voltage

1996-10-15

2000-02-22

Nelms, David

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

36518909, 36518911, G11C 1604

Patent

active

060288000

ABSTRACT:
An apparatus and method for a logic circuit that advantageously adapts to different operating voltages. In a preferred embodiment, a logic circuit of the present invention is implemented to drive a large capacitive load and includes a first driver, comprising a set of small, low-current drive transistors, a second driver, comprising a set of large, high-speed transistors, and an additional transistor connected between the two drivers. The additional transistor can be selectively enabled to speed up the operation of the logic circuit, and disabled to reduce the peak current of the logic circuit. The additional transistor is enabled by a voltage detection signal, which is active when the operating voltage of the chip is at a low level and inactive when the operating voltage of the chip is at a high level.

REFERENCES:
patent: 5027324 (1991-06-01), Seo

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