# What is this IC marked “26384533TVO”?

What is the microcontroller (I assume) at the top of this picture, marked 26384533TVO?

This picture is from the inside of a wireless sensor, where an accelerometer and radio are also present. The device appears to be a 16 lead QFN, likely 3 mm x 3 mm.

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It very well may be a custom ASIC. –  Kris Bahnsen Mar 16 '12 at 16:20
Possible, but, this is coming from a low investment startup (greengoose.com). Everything else is off-the-shelf. –  Toby Jaffey Mar 16 '12 at 16:27
That's a Freescale logo. –  markrages Mar 16 '12 at 17:37
It's 8-DFN, not 16-QFN, no? Freescale doesn't have part marking info for their small microcontrollers that I can find. Still, they only make a few in DFN8. –  markrages Mar 16 '12 at 18:47

That looks like it could be a generic knockoff of the 8453 accelerometer. Freescale's MMA8453Q is in a similar package.

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'doh. I'd assumed that was the micro, in fact the other chip must be. So, now I have a new question... –  Toby Jaffey Mar 16 '12 at 17:20
already anticipated the new question, and seeing what I can dig up –  Tevo D Mar 16 '12 at 17:21
@Michael, I seem to have a knack for finding things? Conclusion is a stronger word that I used, as I indicated it could be the right part. This was based on the information provided. I checked each part of the part number and searched for likely possibilities. Joby indicated that an accelerometer was present, so this was a close match. The decoupling cap C18 on pin 14 and NC on 15-16 are consistent with the spec for the accelerometer, so I floated it as an answer. –  Tevo D Mar 16 '12 at 18:11
@TevoD In other words "Elementary my dear Watson." –  Michael Mar 16 '12 at 18:21
I think it was the lure of TVO part being close to TEVO that made him obsess over finding it... –  minnow Mar 16 '12 at 18:46
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