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Socketed Chips

Discussion in 'Electronic Basics' started by [email protected], Feb 11, 2005.

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  1. Guest

    Does anyone have an idea on whether or not socketed chips are still in
    widespread use, and if so, whether or not the need for chips that can
    be swapped out easily will be around for a while.

    I'm working on a project involving these kind of chips and would
    appreciate opinions.

    Thanks a lot.

    Darren Harris
    Staten Island, New York.
  2. John Larkin

    John Larkin Guest

    Except for Pentium CPUs, socketed chips are rare these days. I can't
    remember the last time I saw a socketed IC in a computer or piece of
    test equipment. Most everything is surface-mount now.

    I'd love to socket BGA chips, but the sockets tend to cost $1000 or

  3. Guest

    Avoid sockets in production; it's another layer of "mechanical"
    failure, extra bulk, expense and inventory.

  4. tlbs

    tlbs Guest

    Are you talking about "thru-hole" components vs. surface mount? We
    still manufacture boards that use "thru-hole" components, but solder
    them directly to the PC board without a socket (the space / hi-rel
    industry is slow to embrace SM parts, but it is happening).

    Just because a component is "thru-hole" doesn't mean it has to be

    As for parts that might have to be replaced (i.e. PROMS), there are
    in-circuit-programmable solutions that can be soldered onto the board
    -- no need for a socket.
  5. peterken

    peterken Guest

    socketed chips are still used, usually if replacing them might be necessary
    or in first production runs
    afterwards most of them are soldered onto the board
    today indeed industry is tending to use smd more
    under some conditions socketing is *not* advisable, say hi-speed circuitry
    or locations having high mechanical stress (vibration)
    and indeed most computers nowadays do not use socketed chips due to the high
    speeds involved and volume reduction
  6. Guest

    Thanks everyone.

    So upon factoring out the increase incidence of connectivity problems,
    there doesn't seem to be any real use for socketed chips any more.

    Darren Harris
    Staten Island, New York.
  7. Unless... to keep up with the hobby you love, with eyesight fading and
    dexterity compromised, AND you want to be able to poke around on there...
    be able to repair... Sockets DO have their place.
  8. I couldn't figure out what the question was about. It's here in
    sci.electronics.basics and that did imply to me hobby use, at which
    point it often makes sense, if for no other reason than that you can
    so easily move the ICs to another project when you tire of the first, or
    suddenly need the IC. The fact that industry rarely uses sockets these days
    is irrelevant for hobby use.

    But there also seemed to be something in the original post that implied
    commercial use, at which point the benefits of sockets to the individual do
    not apply. One only has to mention the Apple III and its socket problem to
    point out that they can be a negative thing in industry.

  9. Guest

    THis actually involves a couple of inventions I came up with, but if
    the idea of an easily removable/pluggable chip is no longer valid, then
    it isn't worth it to pursue.

    Thanks a lot.

    Darren Harris
    Staten Island, new York.
  10. John Larkin

    John Larkin Guest

    There's nothing wrong with sockets if they have a purpose. Lots of
    people socket EPROMS or other programmable chips.

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