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Altera_Forum's avatar
Altera_Forum
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11 years ago

Total I/O sink current per max v I/O bank

Hi,

is there any sink current limitation per IO bank in max v device? I only find the sink current per io pin from the data sheet. Thanks for any advice here

2 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    11 years ago

    Since there is no specific spec on the IO bank sink current limitation, I believe this should be already taken care by the sink current per IO pin. As long as you ensure no exceed the limit of each IO pin, the bank should be safe.

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    11 years ago

    From a hardware designer perspective, it would be a bad design if the ground does not support all the sinking current from all its IO pins max sinking current. It is more like a rule of thumb unless he knows that he is not sinking that much current. :)