All-MOS differential high speed output driver for providing posi

Details All-MOS differential high speed output driver for providing posi All-MOS differential high speed output driver for providing posi

1995-11-13

1997-08-12

Hudspeth, David R.

Electronic digital logic circuitry

Interface

Current driving

326 27, 326 34, 326 68, H03K 1900

Patent

active

056569521

ABSTRACT:
According to embodiments of the present invention, a driver circuit, has first and second reference voltage rails for receiving first and second reference voltages, has first and second inputs for receiving an input differential signal and has first and second outputs for providing an output differential signal. The driver circuit comprises a first CMOS transistor, a second CMOS transistor, and first, second and third current sources. Positive voltage levels with respect to ground at the first and second outputs, are within typical acceptable ECL output voltage levels.

REFERENCES:
patent: 4841175 (1989-06-01), De Man et al.
patent: 4999519 (1991-03-01), Kitsukawa et al.
patent: 5124580 (1992-06-01), Matthews et al.
patent: 5146112 (1992-09-01), Ito et al.
patent: 5149992 (1992-09-01), Allstot et al.
patent: 5541532 (1996-07-01), McCall
1992 Special Linear Reference Manual Analog Devices: Chapter 5, pp. 29-30.

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