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Unknown chip

Tried all kinds of searches (including https://www.alldatasheet.com/ by marking), no result. Can't even identify the manufacturer logo (PI-like symbol).

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  • The manufacturer logo is STMicroelectronics - see this image
    – Robert
    Oct 12, 2020 at 11:17

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https://www.st.com/content/st_com/en/products/memories/serial-eeprom/standard-serial-eeprom/standard-microwire-eeprom/m93c46-w.html
PS:Sorry Robert, I do not yet have the right to comment

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