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Feedback FET logic: a robust, high-speed low-power GaAs logic family

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1 Author(s)
D. E. Fulkerson ; Honeywell Syst. & Res. Center, Bloomington, MN, USA

Feedback FET logic (FFL) with a special output stage that enables it to drive high on-chip capacitances with low power is discussed. FFL is robust in the face of process and temperature variations. The basic FFL gate is a NOR, but complex gates such as AND-OR-NOT are also practical. FFL is two to four times faster than comparable GaAs direct-coupled FET logic and Si CMOS and Si BiCMOS when driving on-chip capacitances that are typical of large ICs. FFL power at 200 MHz is also lower than CMOS and BiCMOS power by a factor of 2 to 4

Published in:

IEEE Journal of Solid-State Circuits  (Volume:26 ,  Issue: 1 )