Low power low voltage level shifter

Details Low power low voltage level shifter Low power low voltage level shifter

1995-06-07

1998-01-06

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327374, 327306, 326 63, H03K 501, H03K 1900

Patent

active

057059462

ABSTRACT:
A low power, low voltage level shifter is provided. The voltage level shifter includes a first switching circuit, and a second switching circuit. The first switching circuit has a first input terminal for receiving a first oscillating signal, and based on the first oscillating signal, switches the output of the first switching circuit between a first voltage level and a second voltage level. The second switching circuit has a second input terminal connected to the output terminal of the first switching circuit. The second switching circuit also has a third input terminal for receiving a second oscillating signal which is out of phase with the first oscillating signal. Based on the input signals received, the second switching circuit generates an output signal that switches between a third voltage level and a fourth voltage level at a selected rate and frequency.

REFERENCES:
patent: 4794283 (1988-12-01), Allen et al.
patent: 5113097 (1992-05-01), Lee
patent: 5237212 (1993-08-01), Maekawa
"High Performance Totem-Pole Drive," IBM Technical Disclosure Bulletin 31(10): 304-306, Mar., 1989.

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