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Atmel AT89C51ED2 in 40 pin DIP package

Discussion in 'Electronic Basics' started by [email protected], Oct 20, 2007.

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  1. Guest

    I volunteer with a hobby group on weekends teaching kidfs simple TTL
    concepts as well as a little programming ... to try to encourage them
    to enter technology related careers.

    We need to find some Atmel AT89C51-ED2-3CSIM (or 3CSUM) chips for
    some projects. Atmel stopped making them and we can't find them

    We really want that part because ... its a 51 family part and we're
    used to it, its a DIP package and we can use cheap wire wrap sockets,
    it has 64 KB program space in FLASH, 2KB RAM, 2 KB EEPROM ...

    Does anyone know where we might find some ... we tried all the big
    sellers (Mouser, DigiKey, JDR, ...........) no one has any left.

    Any help would be appreciated.
  2. Eeyore

    Eeyore Guest

    Use 89S52/3. That's what I did. Costs less too.

  3. Rich Webb

    Rich Webb Guest

    S51/52? Could work if the smaller memory space isn't a problem. shows that Mouser has some of the PLCC flavor (looks
    like 44 pin) and there are, albeit not cheap, PLCC-44 wirewrap sockets
    out there. JDR has some listed, although not in stock.

    There are a few others in Atmel's line that have 64K but all seem to
    be PLCC or denser.

    Alternately, the OP probably should dive into the chip list at to match availability with features
    and form-factor. There are a bunch of alternate suppliers for the
    family (Silicon Labs and ST come to mind) who may have something that
    would work.
  4. Guest

    Just wanted to update ... I received good news from Atmel this
    evening. They are
    coming out with a new component, more advanced then the AT89C51ED2 -
    and it will
    be offered in a 40 pin package.

    You may see details at ...
  5. Eeyore

    Eeyore Guest

    Cute cat !

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