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ZAnsa.1
Associate
Dec 24, 2019 7:24 AM UTC
Question

ST part from marking code I am trying to find ST micro part from marking code given on it. It is 8 pin IC. Code is as below - First line: 401RT Second line: K50b

0690X00000Buw6mQAB.jpg

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    7 replies

    Piranha
    Principal III
    Dec 24, 2019 8:45 AM UTC

    The second line is K506.

    ZAnsa.1
    ZAnsa.1Author
    Associate
    Dec 24, 2019 8:48 AM UTC

    okay then what is this IC??

    Pierre P.
    ST Employee
    Jan 2, 2020 7:19 AM UTC

    ​Hello,

    This is a 1Kbit EEPROM memory. Range 6 in TSSOP8 package.

    M24C01-RDW6

    https://www.st.com/content/st_com/en/products/memories/serial-eeprom/standard-serial-eeprom/standard-i2c-eeprom/m24c01-r.html

    Bye

    Team EEPROM suPPort

    ZAnsa.1
    ZAnsa.1Author
    Associate
    Jan 8, 2020 3:48 AM UTC

    Hello,

    Thank You very much for the reply.

    Regards,

    Zeeshan

    AVasi.6
    Visitor II
    Aug 22, 2021 12:49 PM UTC

    Hello

    I also have a similar TSSOP8 IC made by ST.

    In the first line is written : 504RQ

    and in the second line : K750

    I appreciate if someone could help me what is this IC.

    Thanks

    Tesla DeLorean
    Guru
    Aug 22, 2021 2:06 PM UTC

    Probably 25C04

    2.5V to 5.5V for ST25x04 version

    https://pdf1.alldatasheet.com/datasheet-pdf/view/23688/STMICROELECTRONICS/ST25C04.html

    Second line is production location/data code

    Tips, Buy me a coffee, or three.. PayPal Venmo (See Profile) Up vote any posts that you find helpful, it shows what's working..
    AVasi.6
    Visitor II
    Aug 23, 2021 6:48 AM UTC

    Hello Tesla DeLorean

    Thanks for the reply.