Avalanche memory triode and logic circuits

Details Avalanche memory triode and logic circuits Avalanche memory triode and logic circuits

1976-12-06

1978-08-22

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307215, 307218, 307221R, 357 13, 307238, H03K 1700, H01L 2988

Patent

active

041091698

ABSTRACT:
A semiconductor controlled avalanche triode operableat microwave frequencies is turned on by a narrow pulse, and remains conducting due to the positive feedback effect of returning carriers in the base region until turned off by an opposite polarity narrow pulse. Applications include a fast switch, a memory device, and various logic circuits such as logic gates and shift registers. The memory and logic devices are fast, require low power, available in npn or pnp configurations, are simple with one triode per memory, and can be made of silicon so as to be integrable.

REFERENCES:
patent: 2912596 (1959-10-01), Huang
patent: 2995664 (1961-08-01), Deuttch
patent: 3204160 (1965-08-01), Sah
patent: 3319138 (1967-05-01), Bergman et al.
patent: 3821657 (1974-06-01), Yu et al.
Avalanche Transistor Circuits, by Silver Electronics World, 9/67, pp. 30-32.
IBM Tech. Disclosure Buletin Dual Emitter Avalanche Transistor Memory Array by E. E. Davidson, vol. 11, No. 11, 4/69.

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