Buffer circuit with load sensitive transition control

Details Buffer circuit with load sensitive transition control Buffer circuit with load sensitive transition control

1988-11-09

1990-03-06

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307451, 307473, 307246, 307263, H03K 1716, H03K 19094, H03K 1756

Patent

active

049068679

ABSTRACT:
A buffer circuit particularly suited for driving the output pad of an integrated circuit, characterized in its provision of features which limit the rate of change of current flow in the power supply and ground lines to reduce noise. The circuit features feedback responsive compensation for variations in the capacitive load on the pad. In one form, the circuit includes a feedback capacitor between the pad and the control gate of the output transistor pulling the pad. The control gate of such pulling output driver transistor is, under one operational condition, provided with a voltage which increases at a limited rate during current enablement. The steady-state enablement of the output driver transistor is established later by a circuit logically responsive to the voltage on the output pad. The output driver transistor is subject to rapid disablement in response to a pulling of the control gate by a high speed and drive capacity transistor. In a preferred arrangement the circuit includes tri-state operation capability.

REFERENCES:
patent: 4622482 (1986-11-01), Ganger
patent: 4779013 (1988-10-01), Tanaka
patent: 4783601 (1988-11-01), Hartgring et al.
patent: 4785201 (1988-11-01), Martinez
patent: 4800298 (1989-01-01), Yu et al.
Kam Leung, "Controlled Slew Rate Output Buffer", IEEE 1988 Custom Integrated Circuits Conference, pp. 5.5.1-4.

Affiliated with

Also associated with

Rating

Buffer circuit with load sensitive transition control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Buffer circuit with load sensitive transition control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Buffer circuit with load sensitive transition control will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-49206