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resource for identifying ICs from top markings

resource for identifying ICs from top markings

(OP)
Hello all,

I recently found myself trying to identify an IC (which I still havn't) and realized I can't find a reliable source for identifying ICs by their markings. In my specific case, it is an 8-pin SOIC, probably an Op-amp of some kind, with the following marking:
1350
PAXM

I have also seen this as
1350
XBXI

I've looked around and found a few websites, but they are more helpful at identifying a logo (which this chip doesn't have), or listing manufacturer prefixes, (which this chip also doesn't have).

Does anyone know of a good resource for this type of identification?

Does anyone recognise this IC marking?

Thanks,

B

RE: resource for identifying ICs from top markings

Generally, a manufacturer will go out of his way to advertise his product by placing product names or logos on his parts. The fact that it doesn't have useful usually means someone doesn't want anyone to know what the part is. This is often done to make it more difficult to reverse engineer, or to make it more difficult to identify the final assembler, or to hide the fact that the parts are hideously cheap. Unless you have the cross reference document from the board manufacturer, it's highly unlikely that you'll get much traction, unless this is a very common part for a very common board.

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RE: resource for identifying ICs from top markings

I'm finding fewer and fewer logos on parts these days, particularly the smaller stuff... only a Google search turns up the right chips (and these are big-name chips... Texas Instruments, Analog, Linear, etc.)

Dan - Owner
http://www.Hi-TecDesigns.com

RE: resource for identifying ICs from top markings

Better described as an IF amplifier. Most likely found about halfway through a radio receiver.

RE: resource for identifying ICs from top markings

My Google-fu is strong. smile

Actually, many odd electronic components are offered on eBay. So after a quick peek on Google, I went straight to eBay. There's always somebody somewhere that has a tube of odd parts and they'll include in the item description whatever is marked on it, as well as (hopefully) they'll have already figured out exactly what they are. I've used this search technique several times before for oddly-marked, unknown parts. It's a useful trick.

Again - this MC1350 is a just a possibility.

RE: resource for identifying ICs from top markings

(OP)
Thanks for the help everyone. I'm still having trouble finding a datasheet to confirm, but the markings in the picture on ebay do look very similar to the chip.

B

RE: resource for identifying ICs from top markings

If it's found in a radio receiver, odds are better.

RE: resource for identifying ICs from top markings

In the old days, I believe it was IC Master that had a nice component marking cross reference for finding parts. Now I agree with the others, if you can't find it on Google or eBay then someone doesn't want you to know.

Z

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