# Help identifying a chip

**URL:** <https://forum.digikey.com/t/help-identifying-a-chip/36210>\
**Category:** Integrated Circuits (ICs)\
**Tags:** memory, part-identification\
**Created:** [November 2, 2023, 6:16am UTC](https://forum.digikey.com/t/help-identifying-a-chip/36210 "2023-11-02T06:16:33Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![amadary](https://avatars.discourse-cdn.com/v4/letter/a/7993a0/32.png) [@amadary](https://forum.digikey.com/u/amadary)\
**Post date:** [November 2, 2023, 6:16am UTC](https://forum.digikey.com/t/help-identifying-a-chip/36210/1 "2023-11-02T06:16:33Z")

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Hi all  
I appreciate it if someone can help identifying this chip. I can’t find anything about it.

 ![IMG_2979](https://global.discourse-cdn.com/digikey/original/3X/a/2/a289cbba11bcaf5774a864d327120da3eb6650b3.jpeg)

Thanks

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**Author:** ![Steve\_Fellman](https://avatars.discourse-cdn.com/v4/letter/s/c77e96/32.png) [@Steve\_Fellman](https://forum.digikey.com/u/Steve_Fellman)\
**Post date:** [November 2, 2023, 11:43am UTC](https://forum.digikey.com/t/help-identifying-a-chip/36210/2 "2023-11-02T11:43:43Z")

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Hello,  
Welcome to the DigiKey tech forum. I did some checking and wasn’t able to find any information on the markings for this IC. Do you have any other information you can provide on the part, schematic, manufacturer, photo showing the entire PC board ?

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**Author:** ![amadary](https://avatars.discourse-cdn.com/v4/letter/a/7993a0/32.png) [@amadary](https://forum.digikey.com/u/amadary)\
**Post date:** [November 2, 2023, 12:36pm UTC](https://forum.digikey.com/t/help-identifying-a-chip/36210/3 "2023-11-02T12:36:52Z")

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Hi  
Thank you for your reply. Here is the board

 ![chip_3](https://global.discourse-cdn.com/digikey/original/3X/8/2/8290aeb443afc13430275455c8b4d9eee7eae5a4.jpeg)

Only two of the chip’s pins are connected. I have drawn a crude schematics:

![chip_2](https://global.discourse-cdn.com/digikey/original/3X/f/8/f89357eda021a6cdbf02a47cef3f3b12b9c5e2f7.png)

It should be a memory (maybe eeprom) that communicats with 1-wire protocol.

Thanks

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<div class="post-metadata">

**Author:** ![Steve\_Fellman](https://avatars.discourse-cdn.com/v4/letter/s/c77e96/32.png) [@Steve\_Fellman](https://forum.digikey.com/u/Steve_Fellman)\
**Post date:** [November 2, 2023, 5:19pm UTC](https://forum.digikey.com/t/help-identifying-a-chip/36210/4 "2023-11-02T17:19:39Z")

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Thanks for the information. I did some more searching and still not able to find any information on this IC, sorry.

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**Author:** ![David\_1528](https://sea2.discourse-cdn.com/digikey/user_avatar/forum.digikey.com/david_1528/32/47212_2.png) [@David\_1528](https://forum.digikey.com/u/David_1528)\
**Post date:** [November 3, 2023, 1:22pm UTC](https://forum.digikey.com/t/help-identifying-a-chip/36210/5 "2023-11-03T13:22:00Z")

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Am I wrong, or do you have the labels flipped in your schematic? Based on your info, it’s likely one of [these Dallas/Maxim/Analog Devices one-wire chips](https://www.digikey.com/short/zw8295nm).