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Ask an Expert Forum Selecting 83C154 (8051) replacement
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Selecting 83C154 (8051) replacement

zelbi
zelbi over 1 year ago

Hello. I have a project from 1990's with a 83C154  microcontroller (8051).

Can somebody suggest a replacement popular 8051 derivative, good tools and long availability? The whole project was written in assembler with BSO/tasking assembler and tools. So minimal uC layout changes are preferred due to the assembly nature of the project. 

Thanks :-)

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Top Replies

  • misaz
    misaz over 1 year ago in reply to BigG +3
    they realesed new 8051 families in 2021 . It is interesting to see hidden market demands. But of course, they are not compatible with the chip mentioned in question.
  • JWx
    JWx over 1 year ago in reply to rsjawale24 +2
    and it is still actively manufactured I think - it is marked as preferred replacement for 89C52.
  • shabaz
    shabaz over 1 year ago in reply to misaz +2
    It also gets used a lot inside chips for 'glue code', e.g. where that microcontroller core is not a key part of the chip, but performs basic housekeeping stuff like initializing things or adding a tiny…
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  • dougw
    0 dougw over 1 year ago

    https://ru.elcodis.com/parts/6051076/83C154_p5.html

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  • dougw
    0 dougw over 1 year ago

    https://ru.elcodis.com/parts/6051076/83C154_p5.html

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