A Novel Functional Logic Circuit Using Resonant-Tunneling Devices for Multiple-Valued Logic Applications
- 1 March 1997
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 36 (3S) , 1818-1821
- https://doi.org/10.1143/jjap.36.1818
Abstract
We have demonstrated a novel functional logic circuit using resonant-tunneling devices. By integrating six InGaAs-based resonant-tunneling diodes (RTDs) and one HEMT on an InP substrate, we achieved room-temperature operation of an analog-to-quaternary quantizer, or an inverter in 4-valued logic. The circuit is suitable for multiple-valued logic applications because it exhibits multiple thresholds as well as multilevel output using a simple circuit configuration.Keywords
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