Output buffer for improving di/dt

Details Output buffer for improving di/dt Output buffer for improving di/dt

1987-12-22

1990-03-06

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307446, 307574, H03K 1716, H03K 1902, H03K 17687

Patent

active

049068660

ABSTRACT:
An integrated circuit comprises a chip containing electric circuits in a package with leads. The chip receives power via the leads. The leads have inductance so that when there is a change in current flow (di/dt) through a lead there is a voltage which is developed between the end of the lead and the chip which can cause the chip to either malfunction or function poorly. The highest di/dt is generally caused by an output buffer that changes the logic state of its output. The typical output buffer has a pair of driver transistors that provide one of a logic high or logic low. The di/dt generated by these transistors is controlled by controlling the voltage on the gate or base of the transistor which is providing the particular logic state. This control is responsive to the magnitude of the power supply voltage. An impedance which varies in resistance with supply voltage is placed in series between the positive power supply terminal and the gate or base of the output transistors.

REFERENCES:
patent: 4678943 (1987-07-01), Uragami et al.
patent: 4703203 (1987-10-01), Gallup et al.
patent: 4725982 (1988-02-01), Hara et al.
patent: 4730126 (1988-03-01), Chen
IBM Tech. Disc. Bul., vol. 16, No. 8, 1/74, Kraft et al.

Affiliated with

Also associated with

Rating

Output buffer for improving di/dt does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Output buffer for improving di/dt, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Output buffer for improving di/dt will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-49200