Pseudo-Random scan test apparatus

Details Pseudo-Random scan test apparatus Pseudo-Random scan test apparatus

1992-09-04

1994-03-08

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

371 221, 371 223, G01R 3128

Patent

active

052931234

ABSTRACT:
Disclosed is a circuit configuration that permits the monitoring of the operation of an input/output circuit of a digital unit under test by pseudo-random scan test techniques. A resistive element couples test signals to an input/output terminal of the device under test to which the input/output circuit is connected. The connection between the resistive element and the terminal is monitored during pseudo-random scan testing, permitting testing of the input/output circuitry.

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