Generally, yes.
IDE runs at rates considerably higher than 4Mhz, and
it's only HC drive levels.

John Ferrell wrote:
>
> I have a project board set up for a 28 pin OTP device.
> I would like to adapt a 40 pin ZIF to the devices that I can experiment with
> a 16F874.
> Mechanically I can adapt an IDE cable from a PC to another circuit board
> with the ZIF pretty easy.
>
> The question:
> Can I get away with using about 8 inches of ribbon cable between these
> boards?
> It is only running at 4mhz.
>

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads