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Simple PIC question

Discussion in 'Electronic Basics' started by Marlowe, Jul 25, 2004.

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  1. Marlowe

    Marlowe Guest

    and also maybe also a stupid question ... what is the difference between a
    PIC
    chip (such as a 16F84) and the "A" version (such as a 16F84A) of that same
    chip???
     
  2. I assume that it is similar to the A or B version of many other
    chips. The final letter represents a sort of parts with better
    specifications than the unsuffixed part. You would have to download
    and compare the data sheet for both versions to verify this.
     
  3. Byron A Jeff

    Byron A Jeff Guest

    - and also maybe also a stupid question ... what is the difference between a
    - PIC
    - chip (such as a 16F84) and the "A" version (such as a 16F84A) of that same
    - chip???

    Different die. Updated functionality. Generally the A part comes later and is
    cheaper than the original when it comes to PICs.

    Also as an aside: 16F84 and 16F84A parts are virtually obsolete. You probably
    came across one of the million 16F84[A] pages that exists out there. Microchip
    is a fast mover and they have much much much much (can't say enough) much
    better and cheaper parts now. I wrote a page on the subject here:

    http://www.finitesite.com/d3jsys/16F88.html

    Hope this helps,

    BAJ
     
  4. They differ mainly in electrical specifications especially the programming
    prescription. They are both obsolete now. Newer types are better and
    cheaper.

    petrus bitbyter
     
  5. Hi,

    same chip???


    The answer is to be found here -

    http://ww1.microchip.com/downloads/en/DeviceDoc/30072b.pdf


    Cheers - Joe
     
  6. Sergio Masci

    Sergio Masci Guest

    I answered this question posted in a different newsgroup.
     
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