Current steering switch and hybrid BiCMOS multiplexer with CMOS

Details Current steering switch and hybrid BiCMOS multiplexer with CMOS Current steering switch and hybrid BiCMOS multiplexer with CMOS

1994-05-19

1995-05-30

Hudspeth, David R.

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Field-effect transistor

326 66, 326121, 327408, 327416, H03K 19094

Patent

active

054205298

ABSTRACT:
A current steering switch circuit responsive to a CMOS signal. In an specific embodiment the switch is incorporated in a hybrid BiCMOS multiplexer circuit using combined CMOS and CML/ECL signal types. The high speed CML/ECL logic signals are multiplexed under the control of a lower speed CMOS signal. A particular aspect of the circuit is that a CMOS to CML/ECL converter is not used. Additionally, a differential, logic commutation signal is not required.

REFERENCES:
patent: 4684829 (1987-08-01), Uratani
patent: 4725742 (1988-02-01), Tachimori et al.
patent: 5039883 (1991-08-01), On
patent: 5149992 (1992-09-01), Allstot et al.
patent: 5200907 (1993-04-01), Tran
patent: 5285118 (1994-02-01), Montegari

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