modeling FPGA pin load

Discussion in 'General Electronics Chat' started by kingdano, Jul 14, 2010.

  1. kingdano

    Thread Starter Member

    Apr 14, 2010
    377
    19
    I am hoping this is in the datasheet somewhere, and i just haven't found it yet....

    How do i accurately model the load of an FPGA input pin, in this case, an Altera Cyclone II device?

    I am working on an interface from a 0.5 - 4.5V sensor to a 0 - 3.3V input pin

    I have the schematic all ready to go and simulated, i just need to ensure i am modeling the load properly.

    Any help or guidance on where to look in those ridiculously long datasheets would be appreciated.
     
  2. StayatHomeElectronics

    Distinguished Member

    Sep 25, 2008
    958
    53
    Have you tried contacting Altera tech support?
     
  3. kingdano

    Thread Starter Member

    Apr 14, 2010
    377
    19
    i have not yet, but thats a really obvious/good idea that i really should have already done before posting here.
    :rolleyes:

    im pretty dumb sometimes.
     
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