Level shifter

Details Level shifter Level shifter

1997-01-21

2000-07-11

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327437, 326 63, 326 68, 326 83, H03K 190185

Patent

active

060878800

ABSTRACT:
A level shifter provided with a first inverter for shifting a high logic level of an input signal, a second inverter for shifting a low logic level of the input signal, a first output transistor for supplying a high voltage to an output terminal by an output voltage of the first inverter, and a second output transistor for supplying a low voltage to the output terminal by an output voltage of the second inverter which controls the supply of the high voltage of the first inverter and the supply of the low voltage of the second inverter so as to realize stable operation even with a low power supply voltage.

REFERENCES:
patent: 4910416 (1990-03-01), Salcone
patent: 5237213 (1993-08-01), Tanoi
patent: 5239211 (1993-08-01), Jinbo
patent: 5426376 (1995-06-01), Wong et al.
patent: 5430335 (1995-07-01), Tanoi
patent: 5493245 (1996-02-01), Kao et al.

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