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How to identify IC package markings?

What is the best resource for identifying ICs based on their package markings?

Is the only solution to search manufacturer sites if they offer a package marking search?

Thanks!

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J A, here is a pretty good explanation on how manufacturers mark their IC's. Personally I make use of this site and this one as well. Also, it helps to learn about the package of the IC's, which will help as well. I find most of the IC's I am interested in through this, but nothing beats the right schematic. Hope this helps, good luck.

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Thanks for the response. I was hoping for a tool that you could just type the part markings in to. I knew it was a long shot.

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Thank you for accepting my answer. Yes, a tool like that would be nice but there are to many manufacturers with to many little trade secrets :-) Best of luck to you.

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Polarised lens or glasses work for viewing - a polarised light source works with regular sight aids.

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The above URLs appear to be 404 for the past week (2016-AUG-31)

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J A will be eternally grateful.
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