Hi all,

I am designing a system in which a number of 12F629 PICs (more than 30)
will be connected to a simple serial (like SPI) common bus.
The total length of the bus can be more than 3..10m and the transmission
rate will be relatiively low (say 1kbps).
I am wondering what sort of bus drive IC would be recommended?
I was thinking about 74126 or something like 40107.
Thanks for comments and suggestions

Janusz

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