Bob, Try the ADM3101. Here's a place to start: They have others also. Bill Bob Ammerman wrote: >Looking for a single channel (1RX, 1TX) equivalent to a MAX232. > >-- Bob Ammerman >RAm Systems > > =20 > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .