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what is need for using memory

Discussion in 'Electronic Basics' started by MichaelT, Jun 6, 2005.

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  1. MichaelT

    MichaelT Guest

    I am working on a project dealing with home security.

    What I'd like to change is my dtmf storage area.
    what I am using right now is a recording chip ISD1420 would like to use
    some form of ram. I am not using microprosseror but I am confused on what
    is needed. Do I have to use addressable latches, multiplexers,channel
    data-selector, shift and store bus register. any help would be great.
    Having hard time finding good information on how it all works.
  2. PeteS

    PeteS Guest

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