CML-CMOS conversion circuit

Details CML-CMOS conversion circuit CML-CMOS conversion circuit

1998-06-04

2000-03-21

Tokar, Michael

Electronic digital logic circuitry

Interface

Logic level shifting

326 64, 326 74, 326110, H03K 190175

Patent

active

060407107

ABSTRACT:
A CML-CMOS conversion circuit according to this invention includes: a differential circuit in which resistance is connected as load; a first current mirror circuit made up from an n-channel MOS transistor connected to one output of the differential circuit; a second current mirror circuit made up from an n-channel MOS transistor connected to the other output of the differential circuit; a third current mirror circuit made up of two p-channel MOS transistors connected in series to the first current mirror circuit and the second current mirror circuit; and a CMOS inverter that takes as input the output signal of the second current mirror circuit and that outputs a signal at CMOS logic amplitude.

REFERENCES:
patent: 5283482 (1994-02-01), Chen
patent: 5459412 (1995-10-01), Mentzer
patent: 5528171 (1996-06-01), Doi et al.

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