Confidential © ams AG 2015

What is the path to Analogue SCAN?

Industry Elevator Talks

Peter Sarson CEng MIET CMgr MCMI

Full Service Foundry

24th-26th June 2015

Confidential © ams AG 2015Page 2

History

Many people have discussed how Digital overcame functional test in the 80’s

1149.1, 1500, 1687

Where is Analogue Test in comparison? 30 years behind?

Is 1149.4 really used? Not at ams AG

Confidential © ams AG 2015Page 3

What was needed

An understanding of the defects

An infrastructure that could be replicated and automated

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Where are we with Analogue?

Only recently has industry made a collaboration on:

Defect types

Relative likelihoods of defects

Test access or infrastructure

Very early phase of standardization and automation

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What could be done?

Academia

• Work with industry to analyse defect types at different fabs, process nodes

• Publish a list of the major defect types seen (without company names)

• Investigate how each type could be detected using basic tests, such as IDDq

Industry

• Use data from academia to build an analogue “scan” standard based on

• Standard access

• Defect models

• Defect test routines