(Topic ID: 209224)

Dallas DS-1811 IC compatibility question


By 80spit

1 year ago



Topic Stats

  • 5 posts
  • 2 Pinsiders participating
  • Latest reply 1 year ago by 80spit
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    #1 1 year ago

    Is the MCP130-460DI/TO that GPE has a direct replacement for the Dallas DS-1811 I need to do a couple system 80 boards and
    the Dallas IC looks like a great option for a acid damaged board When I search GPE for the DS-1811 the MCP130 pops up
    Thanks

    #2 1 year ago

    You will be fine with that part. Ed sells the part with the -D suffix which has the same pin out. It has an internal pull up resistor like the 1811 has and a slightly bigger delay but that doesn't matter. It trips at about the same point as the 1811 (5V minus 10%). Sometimes I use a Dallas DS1233-10 which has a different pin out; it has to be installed at a different spot but that one works fine too.

    Marco

    #3 1 year ago
    Quoted from MarAlb:

    You will be fine with that part. Ed sells the part with the -D suffix which has the same pin out. It has an internal pull up resistor like the 1811 has and a slightly bigger delay but that doesn't matter. It trips at about the same point as the 1811 (5V minus 10%). Sometimes I use a Dallas DS1233-10 which has a different pin out; it has to be installed at a different spot but that one works fine too.
    Marco

    Thanks Marco
    Thats exactly what I was hoping, going to get a order in for some, And thanks for your great work on the Test chips you developed, use them all the time
    Gerry

    #4 1 year ago

    Thanks Gerry, nice to hear. And you can't go wrong with buying from Ed, he knows where he is talking about and what he is selling. I am currently working on some updates for the testroms. For system 80, you can test all the parts connected to the RIOTs, you can attach a driverboard now and test that as well. The Williams system 7 testrom has now support for Hyperball driverboards. I am doing some more testing at the moment and I am busy with updating the documentation.

    #5 1 year ago
    Quoted from MarAlb:

    Thanks Gerry, nice to hear. And you can't go wrong with buying from Ed, he knows where he is talking about and what he is selling. I am currently working on some updates for the testroms. For system 80, you can test all the parts connected to the RIOTs, you can attach a driverboard now and test that as well. The Williams system 7 testrom has now support for Hyperball driverboards. I am doing some more testing at the moment and I am busy with updating the documentation.

    Marco
    Working on System 80 boards right now, I will be anxious to try the updated test rom, same for System 7, actually working on a Hyperball now. For those that are not aware, Marco has some great test roms he has developed, made my life a lot easier

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