Integrated circuit interconnections testing

Details Integrated circuit interconnections testing Integrated circuit interconnections testing

1990-06-22

1991-12-03

Wieder, Kenneth A.

Electricity: measuring and testing

Plural, automatically sequential tests

324158R, 324537, 371 151, G01R 3100

Patent

active

050702963

ABSTRACT:
A test system for determination of the integrity of interconnections between integrated circuits based on test circuit portions provided in such integrated circuits which are subject to signals from the inputs that might vary in value because of faulty interconnections. The values on such inputs are set, in the absence of input signals reaching them, by switchable resistances in the corresponding test circuit portions each of which can couple a predetermined signal value to a corresponding input, but which can also be overridden by signals supplied to that input across the corresponding interconnection from a source thereof.

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