We use Sipex SP240, which is a cheaper alternative to a MAX240.  Generates
the +/- for you.  It has 5 drivers and 5 receivers.  Look at
www.maxim-ic.com and www.sipex.com.  There must be many others.


At 05:33 PM 2/9/00 -0000, you wrote:
>Hi all
>
>Sorry this is off topic...But is need for a PIC project.....
>
>Does anybody know of a bidirectional RS-232 drive IC...with as many lines as
>possible..
>
>Thanks
>
>Jonathan Ferguson
>Radiation/Microelectronic Group
>Lancaster University
>
>

David Lions
Lab Technician
Miva Corporation