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Economics of Test and Testability

Economics of Test and Testability
  Economics of Test and Testability in Manufacturing, Quality and Support

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What you will learn: 

With test costs increasing beyond 25% of the manufacturing costs; with time-to-market requiring delivery as soon as the design is completed; with quality control demands for six-sigma and better; and with a need to quickly and effectively support complex products in the field, test management can impact the bottom line profits of any organization. You will learn the economic aspect of testing and how it can benefit production, marketing, procurement, quality, field support, cost analysis, and process control. You will learn how to create test strategies and what automatic test equipment (ATE) is best suited for your organization. You will learn to calculate the return on investment for design for testability, for using the boundary-scan (JTAG/IEEE 1149.1) and for built-in self test (BIST). By the end of this course, you will fully understand the test issues that impact bottom line profits, and recognize that the test investment is far greater than simply the purchase price of an ATE. You will also recognize that the difference between a good and faulty test strategy can make millions of dollars difference in the organization's bottom-line profits.


The course will cover test related management issues, introducing students to this important cost center. It will look at the economic impact of automatic testing, test program set (TPS) development, test requirements analysis (TRA) and test requirements documentation (TRD). It will introduce Design for Testability, Boundary-Scan and Built-In Test from an investment perspective. It will provide specific guidelines for selecting and procuring ATE.

Who should Attend: 

If you are serious about your test and repair investments, this course is for you. It is aimed at managers from various disciplines who are concerned with the economic impact of test on the profitability of the entire organization. Though the course discusses highly technical issues, you don't need to be technical to keep up with the course. The aim of this class is to bring test related technical issues into an economic forum, where common return-on-investment analyses can be performed to evaluate their profitability.

Course Content:

How does test benefit Manufacturing, Quality and Support?

  • What is quality and what does it have to do with test?
  • Time-to-market
  • Process control through test
  • Customer support

Different types of tests and how to specify the ones you need.

  • Capabilities Tests
  • Limitation Tests
  • Reliability Tests

Economics of Component Test and Burn-in

  • Impact of bad components
  • Is incoming inspection needed?
  • Stress testing of components

Economics of Board Test

  • What are the origins of board level faults?
  • Impact of fault distribution
  • Process or Performance Testing?

Economics of Field Support

  • MTBF vs. MTTR
  • Availability and Operational Readiness
  • Tear down test strategies

Managing Test Development

  • Stuck-at fault test programming
  • Evaluating test program sets (TPSs)
  • Cost-estimation techniques for test program development
  • TPS procurement and acceptance

Design for Testability and its economic impact on overall costs

  • Why is design for testability (DFT) an economic issue?
  • What is too little and too much (DFT)?
  • Managing DFT within concurrent and non-concurrent engineering

Boundary-scan and Built-In Self Test (BIST) Strategy Development and Evaluation

  • Is JTAG/IEEE-1149 test feasible today?
  • Does BIST reduce test costs sufficiently to justify itself?
  • Hierarchical BIST and its economic impact

How to select ATE

  • Technical evaluation of ATE using a test requirement analysis (TRA)
  • Economic evaluation of ATE
  • Vendor evaluation

Financial assessment and reporting

  • Return on investment methods, including ARR, NPV and IRR
  • Presentation techniques

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