Article | REF: E2460 V2

Test of integrated digital circuits - Basic notions and evolutions

Authors: Mounir BENABDENBI, Régis LEVEUGLE

Publication date: September 10, 2021, Review date: September 14, 2021

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1. Terminology and test positioning

1.1 Terminology

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1.1.1 Test or diagnosis?

Circuit testing means detecting that a circuit is not operating to specification, for reasons of logic functionality, operating speed or electrical levels. In most cases, testing serves only to distinguish between "good" circuits, i.e. circuits that can be delivered to the customer, and "bad" circuits, which must be eliminated. In most cases, the exact cause of the malfunction need not be analyzed.

In some cases, however, the cause of the malfunction...

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Terminology and test positioning