MOS folded source-coupled logic

Details MOS folded source-coupled logic MOS folded source-coupled logic

1991-04-30

1992-09-22

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, H03K 1716

Patent

active

051499924

ABSTRACT:
In integrated circuitry having both analog and digital circuits fabricated on the same substrate, switching transients produced by the digital circuitry can propagate through the substrate and induce deleterious effects in the associated analog circuitry. Such switching transients are greatly minimized by a CMOS source-coupled current-steering differential logic topology. In the preferred embodiment, gain and level shifting functions are merged, and connections to the power bus are made through constant current sources.

REFERENCES:
patent: 4445051 (1984-04-01), Elmasry
patent: 4661725 (1987-04-01), Chantepie
patent: 4831284 (1989-05-01), Anderson et al.
patent: 4939390 (1990-07-01), Coe
Horst H. Berger and Siegfried K. Wiedmann, Merged-Transistor Logic (MTL)-A Low-Cost Bipolar Logic Concept, IEEE Journal of Solid-State Circuits, vol. SC-7, No. 5, Oct. 1972, pp. 340-346.
Kees Hart and Arie Slob, Integrated Injection Logic: A New Approach to LSI, IEEE Journal of Solid-State Circuits, vol. SC-7, No. 5, Oct. 1972, pp. 346-351.

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