Variable slew control for output buffers

Details Variable slew control for output buffers Variable slew control for output buffers

1995-06-07

1996-10-22

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

327108, 327170, 327306, 327374, 326 83, 326 27, 326 62, H03K 1716, H03K 17687

Patent

active

055680810

ABSTRACT:
A variable slew control for output circuits is disclosed. The slew control circuit automatically adjusts the rate in which voltage on a slew node is driven to a reference voltage, minimizing noise at the output device driver. The variable slew control decreases the slew rate of the slew node during periods when di/dt is at a high level, but allows the voltage on the slew node to drop at faster rates during times when di/dt at the output driver is low.

REFERENCES:
patent: 4357681 (1982-11-01), Chadra
patent: 4859870 (1989-08-01), Wong et al.
patent: 5013940 (1991-05-01), Ansei
patent: 5266847 (1993-11-01), Kuo

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