High speed logic circuit and semiconductor integrated circuit de

Details High speed logic circuit and semiconductor integrated circuit de High speed logic circuit and semiconductor integrated circuit de

1992-08-17

1993-08-17

Hudspeth, David R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307446, H03K 1704

Patent

active

052372146

ABSTRACT:
A logic circuit comprising a phase divider circuit, a transistor receiving an inverted output from the phase divider circuit, and an active pull-down circuit coupled with an output terminal in connection with the transistor and adapted to be operated by a noninverted output from the phase divider circuit, in which the phase divider circuit is provided with a variable impedance circuit, which is coupled with the inverted output and of which the impedance is adapted to be varied according to the input signal.

REFERENCES:
patent: 4585955 (1986-04-01), Uchida
patent: 4746817 (1988-05-01), Banker et al.
patent: 4791320 (1988-12-01), Kawata et al.
patent: 4999523 (1991-03-01), Cham et al.
patent: 5003199 (1991-03-01), Chuang et al.
patent: 5006731 (1991-04-01), Denda
patent: 5021687 (1991-06-01), Yarbrough et al.
patent: 5059836 (1991-10-01), Lee et al.

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