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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