How i know ICs are fake or not

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How i know ICs are fake or not

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JuSH
Contributor I

I need to buy MC9S12XS256VAA from warehouse in Hongkong. I am worrying that the ICs are fake. Can somebody tell me about how to check it is genuine or not?

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StanoA
NXP TechSupport
NXP TechSupport

Hello JuSH,

There is several point:

 - on the package is Product number, Mask set and date code of manufacturing. I can check if that product was manufactured in our factory in that week. This is not approval of genuine product, but could provide information about fake product.

 - the mask set on the package must fit with information in RM for that product.

 - the PARTID register description is in RM also, so you can read this register and check it to RM.

 - the most important is to buy our products from our official distributors (list is on web), then you are sure that product is genuine.

I hope this information helps you decide.

You are welcome to ask if you need.

Best Regards,

Stano.

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