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Associate
May 19, 2025
Solved

Identify this ST Chip

  • May 19, 2025
  • 3 replies
  • 626 views

Hello ST community has any one an idea what this ST chip is as shown in the picture?

I haven't found any datasheet of this device.

Screenshot_20250519_103809_Gallery.jpg

Best answer by AScha.3

Hi,

except the "customer numbering" , it looks like :

AScha3_0-1747667806401.png

Could be an 74HC241 - or other ...

 

3 replies

Tesla DeLorean
Guru
May 19, 2025

Provide some context, what type of board/equipment is this used on?

Looks to be a custom part, in which case no public documentation is available

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Associate
May 19, 2025

This chip is Soldered on an old Mercedes infrared key PCB

20250511_172919.jpg

AScha.3
Super User
May 19, 2025

>This chip is Soldered on an old Mercedes infrared key

So forget it, to get replacement; is probably programmed cpu , e.g. 

STM8S103F3P6 .

"If you feel a post has answered your question, please click ""Accept as Solution""."
AScha.3
AScha.3Best answer
Super User
May 19, 2025

Hi,

except the "customer numbering" , it looks like :

AScha3_0-1747667806401.png

Could be an 74HC241 - or other ...

 

"If you feel a post has answered your question, please click ""Accept as Solution""."
Christian N
ST Employee
May 21, 2025

Thank you for contacting STMicroelectronics.

For your information, questions about device marking can be submitted directly to the ST Online Support Team at https://my.st.com/ols.

Kind Regards,
Christian
ST Support