Dynamic logic circuit including bipolar transistors and field-ef

Details Dynamic logic circuit including bipolar transistors and field-ef Dynamic logic circuit including bipolar transistors and field-ef

1987-08-04

1989-07-18

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307452, 307481, 307570, H03K 1901

Patent

active

048496588

ABSTRACT:
A dynamic logic circuit is provided which is arranged to realize high speed operation. At least one bipolar transistor is provided having a collector, a base and an emitter, with the collector-emitter current path connected between the output of the dynamic logic circuit and a first potential. A precharging device is coupled between a second potential and the output of the dynamic logic circuit to precharge the output according to at least one clock signal which periodically changes its state. Further, at least two field-effect transistors are provided, wherein one assumes an on or off state opposite to that of the precharging means in response to the clock signal while the other operates in response to at least one input signal. The two field-effect transistors have their source-drain current paths connected between the output of the dynamic logic circuit and the base of the bipolar transistor.

REFERENCES:
patent: 4569032 (1986-02-01), Lee
patent: 4604535 (1986-08-01), Sasayama et al.
patent: 4694202 (1987-09-01), Iwamura et al.
patent: 4700086 (1987-10-01), Ling et al.
Kalthoff, "Dynamic CMOS Techniques Save Space", Elektronik, vol. 23, No. 7, Jul. 1974, pp. 264-265.

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