DFR

DFT, DFY, DFR: Who Cares?

vision of its delivery of management leader naturally tends to disappear upon the product to the customers, since focus continually shifts to the next test coverage to insure that defective product is not shipped will also be overlookedunderestimated by such managers. Design techniques in the layout that contribute to greater yield will not likely be on their radar screen as their focus will be...

Strong Versions of the Dfr Property

Development of a Multimedia Archiving Teleservice Using the DFR Standard

In this paper, we describe the development of an archiving system according to the BERKOM teleservice ‘‘Multimedia Archiving” defined recently. This teleservice is utilized for storage and retrieval of multimedia documents. It can be exploited in applications that require document pools, information services, and workflow management. As a basis of our system we use the ISO/IEC standard ‘‘Docume...

"DFY and DFR are more important than DFT"

The purpose of testing a circuit is to verify that it functionally matches its ideal behavior. If the behavior is not what is anticipated, it is considered failing. If the failing behavior is a result of a defective design, e.g. a “bug”, a serious re-design effort would be undertaken. This re-design is based upon knowledge of typical circuit behavior and re-design encompasses using a broad spec...

It Makes Sense to Combine DFT and DFR/DFY

Historically, it has been common to treat design for testability (DFT) independently of design for reliability (DFR) and design for yield (DFY). DFT is viewed as an add-on to the standard design process — something that happens in parallel with design, but off the main path. DFR is seldom considered at all during the design process, with the exception of ESD circuitry, another add-on late in ch...