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What Is a JTAG Test and Why You Need to Know

What Is a JTAG Test and Why You Need to Know

Formed in 1985, Joint Test Action Group (JTAG) developed a method of verifying designs and testing printed circuit boards after manufacture. This method would later become the industry standard. Known as a JTAG test, the Standard Test Access Port and Boundary-Scan...

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Benefits of circuit trace Tests

Benefits of circuit trace Tests

In today’s world, there’s no avoiding technology.  Whether you consider yourself “tech savvy” or not, there’s no escaping the continuously changing expectations of society. However, with the increasing demands comes a need for increased security. Protecting your...

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How Boundary Scan Test Software Works

How Boundary Scan Test Software Works

The boundary scan test software provides a way to interconnect between integrated circuits (ICs) on a board without using physical test probes. The scan contains cells within a device that can capture data from pin or core logic signals or force data onto pins. The...

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JTAG Test Can Eliminate the “Ground Bounce” Effect

JTAG Test Can Eliminate the “Ground Bounce” Effect

When large numbers of outputs switch simultaneously, they can cause intermittency with your test due the ground bounce effect. JTAG Test with onTAP lets you control this problem by giving you control over how many outputs switch during a single test scan, as shown...

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How Test Developers Can Save Their Company Time and Money

How Test Developers Can Save Their Company Time and Money

If a chain of devices consisted only of boundary scan (JTAG) compliant devices, there would not be too much testing required. However, boards today contain complex, non-JTAG devices that interact with the boundary scan devices. Testing just the JTAG devices on the...

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How to handle multiple boundary scan chains

How to handle multiple boundary scan chains

That’s an easy one. With onTAP’s TAP CONNECT JTAG Controller, you can run an unlimited number of chains simultaneously. Each TAP CONNECT JTAG Controller has two channels which provides the opportunity to run two chains at once. Furthermore, additional chains are...

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Buggy Device? 8 Tips To Fix It!

Buggy Device? 8 Tips To Fix It!

When you’re designing like a rock star, and the end is finally within reach, it is beyond frustrating when a bug in the system causes the result to be different from what you planned. Boundary scan solutions can help you find a bug, but what do you do next? How do you...

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Why circuit trace Testing is Essential for Every Tech/Engineer

Why circuit trace Testing is Essential for Every Tech/Engineer

The electronics industry is driving manufacturers to produce faster, smaller, and more complex circuit board technology at a higher quality and decreased cost. As a result, the importance of testing methods that are accurate and effective has increased. This is where...

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Boundary Scan Advantages

Boundary Scan Advantages

Today's consumer is provided a variety of options no matter what the subject matter happens to be.  At Flynn Systems we like to keep things simple by providing the best solution in boundary scan options.  Saving the consumer both time and money by avoiding trial and...

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Boundary Scan Advantages

What Tools Do You Need for JTAG Boundary Scans?

Understanding boundary scans means you need to understand the tools used when performing them. Take a look at our quick guide to boundary scan tools and make sure you have all you need. JTAG Device This refers to the device being tested during the boundary scan. Any...

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Why Bother with JTAG?

Why Bother with JTAG?

Are you new to boundary scans and JTAG? Take a look at this quick guide to understanding what exactly it means, and why JTAG is essential. JTAG stands for Joint Test Action Group. When referred to as part of a boundary scan test, it means computer chips and electronic...

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Testing Multichip Modules

Testing Multichip Modules

Chip manufacturers are now producing multichip modules (MCMs) that may include two or more arrays of devices within a single package. These modules can be tested using JTAG test pattern generation of the devices while on a PCB. To incorporate JTAG testing of MCMs...

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Whose Problem Is This?

Who cares. The owner of the problem is not necessarily always the issue. Blame most often gets thrown around the work place when things don’t work, and a resolution is needed. From time to time, we encounter situations where a field applications specialist is on-site...

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How much money is sitting in the bone pile?

One of the most common comments we hear from our customers and business partners sounds something like this: “Well, I’ve heard about boundary scan testing, and have actually used it a bit before. Moving forward, we have a new project we need to use it on, and we have...

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Manufacturing: Save Yourself, & The Project, Lots Of Money!

Now that your board has moved from prototyping to manufacturing, things are humming along until...there is a snag in manufacturing. Suddenly an entire run of boards is failing for unknown reasons, and you’re already dangerously close to being behind schedule. What to...

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Reducing Costs During Prototyping

In our last discussion, we talked about DFT, which plays a significant role in reducing costs in prototyping. There are a wide variety of reasons that prototyping is a significant expense in the development and production processes. A large part of the cost is the...

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Design For Testability?

Design for Testability, often referred to as DFT, is a critical part of developing a new board. Here’s a link to a terrific class lecture from University of Maryland if you’re interested in seeing a well represented academic presentation of such an important topic....

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How Boundary Scan/JTAG Helps You Improve Your Bottom Line

As electronics production becomes more complex, and more expensive, board designers and manufacturers require tools that are better suited to handling the complexities of new designs. If this sounds like the same story you’ve heard from JTAG test companies for the...

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SVF and onTAP Boundary Scan

Why SVF? As boundary scan test was making its way to center stage for testing surface mounted devices, there was no agreed upon protocol to manage the hundreds of thousands of bits of IEEE 1149.1 test pattern information. Instead, many vendors had vendor specific...

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Just Draw It!

Have you seen Digi-Key’s new FREE online schematic and diagramming tool? It’s called Scheme-it and can be used in most browsers with no plugins required. This great little freebie tool has a library of electronic symbols, as well as an integrated Digi-Key component...

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Calling Inspector Gadget

It’s the return of the Gadget Smackdown, brought to you by EE Live!  This year, the SMACKDOWN takes place April 1–3 in the EE Times Fantastical Theater of Engineering Innovation at the San Jose convention Center, where the EE Live! Conference and Expo is being held....

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Boundary Scan Test Fault Insertion

Use this function to: Check the fault coverage of your test for a specific fault condition. Insert an open fault without modifying your board or test fixture. Validate that your test is working as expected. How to Insert Faults 1. Create a file FaultInsert.txt in your...

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Using onTAP to test a board

What Does onTAP Test?   As boundary scan technology grows in popularity, more JTAG compliant devices (1149.1 and 1149.6) are now being included in board design, along with more JTAG chains that often require simultaneous testing. The great advantage to using onTAP, is...

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New to Boundary Scan Test?

New to Boundary Scan Test?

Many newcomers to JTAG test start their first boundary scan projects knowing only that boundary scan testing is a requirement for new board design. The specifics of boundary scan, details of test strategy or expected results are, for many, uncharted territory. In...

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onTAP Gets a New Look for the New Year!

  Our Development team has been busy at work on a new UI for onTAP. We’re all excited about the new look and we’re sure you will like it as much as we do. We expect to introduce our new and improved onTAP mid-to-late Q1 2013, so stay tuned for updates. In the...

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A Quick Reference Guide to Boundary Scan Terms

While not all boundary scan terminology is contained in the guide, there are enough terms to at least acquaint you with some of the most commonly used expressions. BIST: Built-In Self-Test, sometimes controllable via boundary scan BOARD NETLIST: Files that show the...

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New To JTAG Boundary Scan Test? You’re not alone…

Many newcomers to JTAG test start their first projects knowing only that boundary scan testing is a requirement for new board design. The specifics of boundary scan, details of test strategy, or expected results are, for many, uncharted territory. In fact, most...

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Boundary Scan Software Evaluation Download

Thank you for your interest in onTAP Boundary Scan software.  Please download and install onTAP Boundary Scan Software on your target machine.  Once you install onTAP, open and run the software.  This will generate a license.txt file, which is found in the ...\Flynn...

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Xilinx Download

Thank you for your interest in onTAP Boundary Scan/JTAG solutions and XILINX compatibility. Once we receive your e-mail, we will e-mail you the documents you have requested.  Please be patient. Feel free to contact [email protected] with any questions about the software...

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