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SMD code 4890I in SSOP

Marking codes are not standardised, and the same code is reused by unrelated makers for unrelated parts. Below is every part in our tables printed with it, and any printed with a code that is easy to misread as it, from the manufacturers' own marking tables and published code lists.

1 part in SSOP is printed 4890I

  • TS4890ISTMSOP-88 pins, STMicroelectronicsMSOP-88 pinsSTMicroelectronics
    What it is
    Not recorded
    Maker
    STMicroelectronics
    Package
    MSOP-8
    Pins
    8
    Source
    Manufacturer datasheet

    Is it dead?

    Diode range and ohms range, part lifted.

    Working, it reads

    Depends on what it is. The datasheet, or an identical part, says.

    Dead, it reads

    • Between two pins, the same reading both ways, near 0 V with a continuous beep: shorted.
    • Open between every pair of pins: failed open, or a part that reads open when working.
    On the board
    this is a first look only: the meter reads every path between those pins, and a short can be a neighbour. Lift one leg before you condemn it.
    Compare:
    If an identical part sits elsewhere on the board, measure it the same way: that is what this one should read.

    A dead part still carries its marking. A short or an open says it has failed, not that it is a different part.

    Datasheetfor TS4890IST, opens in a new tab

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