Resonant tunneling diode structures for functionally complete lo

Details Resonant tunneling diode structures for functionally complete lo Resonant tunneling diode structures for functionally complete lo

1995-09-28

1997-12-16

Westin, Edward P.

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Diode

326 17, 326 93, 327200, 327499, H03K 1910, H03K 1901

Patent

active

056989970

ABSTRACT:
Negative-resistance resonant tunnel diodes (RTDs) perform a complete set of logic functions with a single basic configuration. Inputs feed through Schottky diodes to a transfer RTD coupled to a clocked latch having two RTDs in series. Cascaded gates are driven synchronously by multiple clock phases or by asynchronous event signals. An XOR configuration also provides logical inversion.

REFERENCES:
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patent: 5140188 (1992-08-01), Burns
patent: 5444751 (1995-08-01), Sage
M.S. Axelrod, et al., "Some New High-Speed Tunnel-Diode Logic Circuits", IBM Journal, pp. 158-169 (Apr. 1962).
L.L. Chang, et al., "A Perspective of Resonant Tunneling", NATO ASI Series, Series B: Physics vol. 277, Plenum Press, New York, pp. 1-15 (1991).
W.F. Chow, "Tunnel Diode Digital Circuitry", IRE Transactions on Electronic Computers, pp. 295-301 (Sep. 1960).
W.F. Chow, "Principles of Tunnel Diode Circuits", John Wiley & Sons, Inc., pp. 183-348 (1964).
M. Cooperman, "Gigahertz Tunnel-Diode Logic", RCA Review, pp. 424-457 (Sep. 1967).
M.A. Davidovich, et al., "Resonant Interband Tunneling", NATO ASI Series, Series B: Physics vol. 277, Plenum Press, New York, pp. 61-63 (1991).
H.C. Liu, et al., "High-Frquency Resonant-Tunneling Devices", Semiconductors and Semimetals, 41, pp. 404-411 (1994).
T.C.L.G. Sollner, et al., "Resonant-Tunneling-Diode Circuits", Int.Semicond. Dev. Res. Symp., Charlottesville, VA pp. 307-310 (Dec. 1-3, 1993).
S.J. Wei, et al., "A Self-Latching A/D Converter Using Resonant Tunneling Diodes", IEEE J. Solid State Circuits, 28, No. 6, pp. 697-700 (Jun. 1993).

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