Integrated injection logic to linear high impedance current inte

Details Integrated injection logic to linear high impedance current inte Integrated injection logic to linear high impedance current inte

1976-10-07

1978-07-11

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307297, 307299B, 307DIG1, 330257, 330307, 357 92, H03K 1908, H03F 314, H02J 104, H03F 345

Patent

active

041004310

ABSTRACT:
An interface circuit for interconnecting an integrated injection logic (I.sup.2 L) portion of an integrated circuit to a linear portion of an integrated circuit. The circuit transfers both logic information and I.sup.2 L current level references from the I.sup.2 L circuitry to the linear circuitry at the relatively large voltage levels present in linear circuitry. One embodiment employs a cascode arrangement involving one transistor, two diodes and a resistor. Another embodiment utilizes the matching characteristics of a pair of transistors operating in the forward and reverse modes respectively to perform the function with only one transistor.

REFERENCES:
patent: 3872323 (1975-03-01), Frederiksen
patent: 4009397 (1977-02-01), Mulder et al.
Hart et al., "Bipolar LSI Takes a New Direction with Integrated Injection Logic," Electronics (pub.), pp. 111-118; Oct. 3, 1974.
Berger et al., "MTL-A Low-Cost Bipolar Logic Concept," IEEE Journ. of Solid-State Circuits, pp. 340-346, vol. SC-7; No. 5, Oct. 1972.
Jaeger, "Regulated Power Supply for MTL Integrated Circuits," IBM Tech. Discl. Bull., vol. 18, No. 4, pp. 1220-1222; Sep. 1975.
Mulder et al., "High Speed Integrated Injection Logic (I.sup.2 L)," IEEE Journ. of Solid-State Circuits, pp. 379-385; vol. SC-11, No. 3, Jun. 1976.

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