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Fundamentals of Component Data Management

Posted on: Dec 14, 2010 | Duration: 45 min.
Course | 679 views
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This course considers Component Data Management in the context of designing and building printed circuit boards (PCBs). Irrespective of whether a circuit board is large or small, it is going to carry a number of components, which may include resistors, capacitors, inductors, transistors, diodes, light-emitting diodes, analog integrated circuits, digital integrated circuits, connectors … and the list goes on…

Component Data Management (CDM) is the process by which we manage the components we wish to use on a circuit board … all the way through that board’s development process. This starts with the original component selections made by the design engineers and goes through the board layout, to verification, component procurement, board manufacture, and – ultimately – board population and assembly…

Topics covered in this course are:
•   Introducing Component Data Management
•   Why is CDM important?
•   Who is affected by CDM?
•   How was CDM done in the past?
•   How is CDM typically being done today?
•   How should CDM be done?
•   What are the benefits of an integrated flow?
•   Example CDM-based PCB development flow

Presented by:

Clive "Max" Maxfield (max@CliveMaxfield.com) is the editor of Programmable Logic DesignLine and regular EE Times Contributing Editor.  Max is the author and co-author of a number of books, including Bebop to the Boolean Boogie (An Unconventional Guide to Electronics), The Design Warrior's Guide to FPGAs (Devices, Tools, and Flows), FPGAs: Instant Access, and How Computers Do Math featuring the pedagogical and phantasmagorical virtual DIY Calculator.

6 comments
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Max the Magnificent Posted Dec 15, 2010

Well, since you ask, I think that the presenter is both brilliant and underpaid (but since that's me I must admit to having a small bias [grin])

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David Ashton Posted Feb 28, 2011

Well I'd give him more money for good content, but take it away for crappy sound...... Interesting stuff, I've never worked in a large-scale manufacturing environment but always wondered how they keep track of everything.

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DanB22 Posted Dec 1, 2011

i have to say i love the fact that this was taken seriously, but not seriously at the same time - especially the use of the slides for funny pictures. well done.

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Max the Magnificent Posted Dec 1, 2011

Why thank you -- I try to create these things in a way in which I would like to see them if I was in the audience -- Max

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zeeglen Posted Dec 1, 2011

Good stuff. A very important part of CDM is having the proper data input in the first place by real component engineers rather than high school dropouts. Have seen so many times wrong data and non-standard input descriptions by different people at different times. Having a corporate part number might be just fine for the buyers, but what about the poor design engineer faced with a description such as "restr ntwk" and no other info? One of the 'funniest' muckups was I searched a CDM for an ordinary small signal dual diode. Nothing fancy, just a regular silicon diode pair. The CDM returned a corporate-approved part number, SOT-23 package, specs looked good, the CAE symbol looked right so I designed in the part. I should have hunted up the manufacturer's data sheet. When I got my prototype boards back I found that the "dual diode common anode" was actually a "single diode with two common pins for the cathode". Had to respin the board. When I had the error corrected by the CAE people, other departments across the country could no longer print their schematics until they updated the new library symbol - they had used only one of the two diodes and so never caught the problem. One of the best CDM systems was with HP. This actually had many searchable fields in any order desired, and included a link to the manufacturer data sheet.

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Max the Magnificent Posted Dec 1, 2011

You're right -- any system is only as good as the data that is fed in...

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