Parallel busses are difficult to isolate. The cheapest way is the
optocoupler, there are 4 and 8 in one pack. But if you have also speed
requirement, then optocoupler must have internal schmidt trigger and a
logic gate inside. Check at Agilent, but there are many other
producers.

Vasile

On 5/8/06, Przemyslaw Lopaciuk <pic@amusementcity.com> wrote:
> Hi,
>
> I need to fully isolate two boards which are connected with 34 PIN
> cable. ( one board is mine so I can redesign it ).
>
> I found some optocouplers but they have only 4 channels so it would mean
> putting 8 ICs on board which doesn't seem to be a very good idea.
>
> Does anybody know any other possible way of isolating these boards?
>
>
>
> Thank you very much,
>
> Sam
>
>
>
>
>
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