Current limited output driver for a gate array circuit

Details Current limited output driver for a gate array circuit Current limited output driver for a gate array circuit

1994-02-17

1995-08-22

Wambach, Margaret Rose

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327362, 327546, H03K 300, G05F 110

Patent

active

054444012

ABSTRACT:
An output driver that has and output current that is independent of supply voltage, load capacitance, temperature and processing variables as long as their variation from the norm is limited. This current limited output driver is specially adapted for gate array integrated circuits. The output driver uses two reference voltages to limit the output current and a pulldown transistor to ensure that logic low is achieved despite voltage, load capacitance, temperature and processing variations.

REFERENCES:
patent: 4962345 (1990-10-01), Crafts et al.
patent: 4965468 (1990-10-01), Nicollini et al.
patent: 4975758 (1990-12-01), Crafts
patent: 5043604 (1991-08-01), Komaki
patent: 5066872 (1991-11-01), Schenck
patent: 5121013 (1992-06-01), Chuang et al.
patent: 5151619 (1992-09-01), Austin et al.

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