JTAG Technologies is committed to helping you succeed with boundary-scan. We will ensure that your organisation gets the maximum return on investments and receives the greatest benefits from this technology. Look through our support section for whatever kind of information you might need and feel free to contact us if the answer to your question is not provided. For registered users, this section provides access to additional information and downloads.

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FAQs

There is no limit to the chain architecture that ProVision can handle. Fanout considerations and chain cycle speed would enter into the decision as to how long a chain to implement. Refer to the DFT booklets for more information. ProVision constructs your chain topology for you, automatically, so you don’t need to input it and can be certain it’s error-free.

There is no limit to the number of chains that the JTAG Technologies software can handle, and there is no loss in test coverage if you decide to have multiple chains. In many cases, partitioning your board into more than one chain will give you greater design flexibility and may improve the performance of your boundary-scan operations. Therefore, we strongly recommend that you consider using more than one chain on your board. For more detail, refer to our DFT booklets, one for board-level design and the other for system-level design.

Read the BSDL file published by the IC manufacturer. If it is compliant, it should say so in the notes. Also check the BSDL for special compliance requirements. In some cases it may be necessary to hold specified pins at defined voltage levels for the part to perform boundary-scan operations. If in doubt, please contact JTAG Technologies for advice.

In many cases, only a fraction of the ICs on a board need to contain boundary-scan in order to test a significant number of nets. Many boundary-scan devices tend to be complex ICs (FPGAs, PLDs, microprocessors, ASICs, etc.) with a large number of I/Os and therefore are capable of providing direct access to a large number of nets. Also, through the use of DIOS modules, you can greatly increase the test coverage. JTAG ProVision’s fault coverage feature will tell you the attainable testability and your actual coverage.

Very little. Boundary-scan helps eliminate or reduce the number of test points required on a board and may result in a net saving of real estate and a simpler layout. The space required to add a small number of passive devices for TAP lead termination and the TAP header is often offset by the test point reduction. Refer to the JTAG Technologies design guidelines for specifics.

DOWNLOADS & WHITEPAPERS

When does boundary-scan make sense?

Board DFT Guidelines

Support Services

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We have been able to solve thousands of board test problems by actively engaging with our customers. Once you become a JTAG Technologies customer you are an integral part of our business with free access to our world-wide support network.

VIDEOS

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Advantages and applications of boundary-san

JTAG Technologies, the future for your ATE

Events

Autotestcon

Autotestcon

AUTOTESTCON is the world’s premier conference that brings together the military/aerospace automatic test industry and government/military acquirers and users to share new technologies, discuss innovative applications, and exhibit products and services.

  • 27/08/2019 - 29/08/2019
  • Gaylord National Harbor
  • 9:30 am - 5:00 pm
WNIE Live

WNIE Live

WNIE Live brings the electronics industry to life and allows companies to join with like-minded individuals who want to connect and source new contacts. By visiting this event you can see new products in action and meet suppliers offering services to improve and innovate your business.

  • 18/09/2019 - 19/09/2019
  • NAEC
  • All Day
D & E Event Eindhoven

D & E Event Eindhoven

Tijdens het jaarlijkse Design Automation & Embedded Systems Event nemen ontwikkelaars en toepassers van embedded systems kennis van de laatste technologieën en wisselen zij visies en ervaringen uit met vakgenoten. In het lezingenprogramma en op de kennismarkt wordt aandacht besteed aan specifieke thema’s: FPGA, Security, Internet of Things, Electronic Design & Production en Embedded.

  • 08/10/2019
  • Van der Valk Hotel
  • 9:30 am - 5:00 pm

Webinars

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Training

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Consulting, experience and expertise

We have been able to solve thousands of board test problems by actively engaging with our customers. Once you become a JTAG Technologies customer you are an integral part of our business with free access to our world-wide support network.