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Novel resonant-tunneling multiple-threshold logic circuit based on switching sequence detection

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3 Author(s)
T. Waho ; Dept. of Electr. & Electron. Eng., Sophia Univ., Tokyo, Japan ; K. Hattori ; K. Honda

We present a novel multiple-threshold circuit using resonant-tunneling diodes (RTDs). The logic operation is based on detecting a switching sequence in the RTD circuit. This scheme enables us to increase the number of threshold voltages by more than a factor of two compared with previous RTD-based MVL circuits. SPICE simulation shows that the circuit can operate at a clock frequency as high as 10 GHz. A 4-bit flash analog-to-digital converter, which uses the present circuit as a quantizer, is also discussed

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Multiple-Valued Logic, 2000. (ISMVL 2000) Proceedings. 30th IEEE International Symposium on

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