GD75232 or SN75185 or other dozens...
http://www.surducan.netfirms.com/RS232.html

On 1/23/08, Rob Robson <rob@silk.net> wrote:
> I'm looking for recommendations for a single-package solution to interface a
> PIC to an outside-world serial port.  I have +/-18V supplies available, so I
> don't need a charge pump device like the MAX232 (and it's extra caps).  The
> TI SN75155 would do the job, but it costs more than the MAX232 does, and
> this is a cost-sensitive project.  Any ideas?
>
> RR
>
>
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