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Parameters of a DCFL inverter, such as propagation delay, inverter gain, switching voltage, output voltage levels and noise margins, are related (in an analytical form) to the parameters of the switching transistor and load transistor, such as the load saturation current, the switching transistor threshold voltage, the load and switching transistor output conductances, etc., and to the gate fan-in and fan-out. The results demonstrate tradeoffs between the noise margins, propagation delay and power consumption and are in reasonable agreement with experimental data for GaAs self-aligned inverters and with the results of circuit simulation of DCFL inverters and ring oscillators.
Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on (Volume:5 , Issue: 2 )
Date of Publication: April 1986