Semiconductor integrated circuit having ECL circuits and a circu

Details Semiconductor integrated circuit having ECL circuits and a circu Semiconductor integrated circuit having ECL circuits and a circu

1990-11-21

1992-07-14

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307475, 307466, 307356, H03K 19086

Patent

active

051305739

ABSTRACT:
A semiconductor integrated circuit includes an emitter-coupled logic circuit coupled between a first power source line and a second power source line. The emitter-coupled logic circuit has a differential circuit and an output buffer circuit. A wiring line is provided which is coupled to the emitter of a first transistor of the output buffer circuit and which carries an output signal of the emitter-coupled logic circuit to a circuit of the next stage. The semiconductor integrated circuit also includes a second transistor having an emitter coupled to the emitter of the first transistor, a collector coupled to the first power source line, and a base supplied with a second reference voltage, and a constant-current source coupled to the emitter of the first and second transistors and allowing a constant current to selectively pass through either the first transistor or the second transistor. A current switching circuit is formed by the first and second transistors and the constant-current source, and the constant current passes through either the first transistor or the second transistor on the basis of a potential of the base of the first transistor and the second reference voltage applied to the base of the second transistor.

REFERENCES:
patent: 3723761 (1973-03-01), Masaki
patent: 4135103 (1979-01-01), Fulkerson
patent: 4435654 (1984-03-01), Koide
patent: 4477740 (1984-10-01), Takeda
patent: 4593205 (1986-06-01), Bass et al.
B. Abilevitz, IBM Technical Disclosure Bulletin, Apr. 1982, pp. 6052-6053, Armonk, N.Y., US.

Affiliated with

Also associated with

Rating

Semiconductor integrated circuit having ECL circuits and a circu does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Semiconductor integrated circuit having ECL circuits and a circu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Semiconductor integrated circuit having ECL circuits and a circu will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-336794