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Recent content by jlangvand

  1. J

    74 logic families

    Double post, sorry.
  2. J

    74 logic families

    :) I asked Bill Buzbee, the man behind the Magic-1, about his choice of LS. This is what he said: "I mostly used 74LS because of availability. That family was commonly used in the 70's and 80's because of its good tradeoff between speed and power consumption. I already had a lot of it on...
  3. J

    74 logic families

    ACT seems like the best choice so far.. I would like to stick to 5V logic. Thanks.
  4. J

    74 logic families

    That's a problem, indeed. I see I weren't very clear in my first post. The old 74 series ALUs in DIP packaging are hard to find, and there are few different types to choose from, I think. So I think I'll have to build one myself using basic logic functions. It will probably require an extra...
  5. J

    74 logic families

    Hi I've decided to build my own custom CPU, much inspired by Magic-1, D16/M and others. I want to use 74 logic gates for most of the functionality. But i've not settled for any specific family yet. At first I thought about using the LS family, but I would like to be able to cranc up the clock...
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