Test interface for a digital circuit

Details Test interface for a digital circuit Test interface for a digital circuit

1994-10-31

1995-06-20

Nguyen, Hoa T.

Excavating

324 731, H04B 1700, G01R 3128, G06F 1100

Patent

active

054266491

ABSTRACT:
A test interface is disclosed that is added to a digital circuit device for providing a way of easily verifying that the device's input and output circuits are operating and connected properly. The arrangement implements a test mode in which a simple exercising sequence is placed on any single input of a defined sequential group of device pins. A resultant output can be observed on the next occurring output and all subsequent outputs of the defined sequential group.

REFERENCES:
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patent: 4743842 (1988-05-01), Langone et al.
patent: 4813042 (1989-03-01), Maaloe et al.
patent: 5001713 (1991-03-01), Whetsel
patent: 5084874 (1992-01-01), Whetsel, Jr.
patent: 5101409 (1992-03-01), Hack
patent: 5103450 (1992-04-01), Whetsel

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