Help finding Crosspoint Switch?

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  1. - 11th January 2007, 19:14 #10
    keithdoxey's Avatar
    keithdoxey
    keithdoxey is offline Senior Member
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    Quote Originally Posted by Acetronics View Post

    What about a CD 4052 "Dual 4 Channel Multiplexer" ??? One half for the rows and one half for the lines ...

    just need 5 lines ( 4 + enable both ...) from the driving PIC ...

    Alain
    I would have suggested that but 4052 is intended for Stereo switching so both sides share a common address

    ( I am using the 4052 to give me 4 serial ports on a 18F452 )

    Forgot about "Enable" on my solution but as only 3 out of 4 combinations would be used on the "column" select then the 4th option would give an open circuit so all done with 4 lines
    Last edited by keithdoxey; - 11th January 2007 at 19:18.
    Keith

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