Method of making an ECL logic circuit having diode-clamped loads

Details Method of making an ECL logic circuit having diode-clamped loads Method of making an ECL logic circuit having diode-clamped loads

1988-08-08

1989-08-15

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307446, 307561, 307565, H03K 19086

Patent

active

048577715

ABSTRACT:
The disclosure relates to a method of making a logic circuit wherein the voltage regulators of the ECL circuits, which use resistor ratios, the values of which are difficult to control in the formation of semiconductor circuits, are replaced by a series of diodes, the areas of which are very easy to control in semiconductor fabrication, to set the threshold voltages for the transistors. Embodiments are disclosed using the basic circuit in a stacked configuration to provide AND/NAND operation in addition to the OR/NOR operation of the basic embodiment.

REFERENCES:
patent: 4782248 (1988-11-01), Ovens

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