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Re: CDP 1861 Replacement Circuit Questions

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  • joshbensadon
    ... The funny thing is there isn t any data sheets on how to program these GAL s. I ve seen Galblast before and it s only like following a receipe. But when
    Message 1 of 42 , Mar 1, 2013
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      --- In cosmacelf@yahoogroups.com, "David W. Schultz" <david.schultz@...> wrote:
      >
      > On 03/01/2013 04:08 PM, joshbensadon wrote:
      > > I want to build a PAL programmer for the 22V10, but even finding
      > > information on how to program those common PAL's is difficult.
      > >
      >
      > http://web.archive.org/web/20091011031554/http://freenet-homepage.de/mawin/galblast.htm


      The funny thing is there isn't any data sheets on how to program these GAL's. I've seen Galblast before and it's only like following a receipe. But when I can, I'll try to put it together.

      Thanks,
      Josh
    • Tom
      Dave Jones did a review of the TL866CS on his EEVBLOG.TL866CS Review
      Message 42 of 42 , Mar 5, 2013
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        Dave Jones did a review of the TL866CS on his EEVBLOG.

        - Tom

        --- In cosmacelf@yahoogroups.com, "joshbensadon" <joshbensadon@...> wrote:
        >
        > --- In cosmacelf@yahoogroups.com, "thinkpast" hjohnson@ wrote:
        > >
        > > http://www.retrotechnology.com/herbs_stuff/gal.html
        > >
        > > Some of the simplest PROMS can just be poked at and manually programmed. I reference some of that work on another Web page linked to the above page.
        > >
        > > Herb
        >
        >
        > Thanks Herb,
        >
        > Your web site lead me back to do another search on Ebay. I searched a few years ago without success, but now there are several to choose from!
        >
        > -TL866CS -$49
        > -TOP853 $46 (does not list GAL 22V10)
        > -TOP3000 $160
        > -G540 -$60
        > -G840 -$80
        > -RT809F -$88 (does not have large ZIF socket, less versatile?)
        >
        > Several of these models include RAM testing and other CMOS Chip Testing, very impressive (if the tests are rigorous?).
        >
        > For these prices, it's not worth messing about building a home brew programmer. Heck, I've paid more for an adapter on my Andromeda Labs programmer.
        >
        > Right now I'm considering the G840, just on a hunch, but if anyone here can offer any advise, it would be much appreciated.
        >
        > Cheers,
        > Josh
        >
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