On 8/26/2012 11:07 AM, peter green wrote: > I found a chip from TI that can do such conversions, the SN74LVCC3245 Maxim Max3370 would be my choice for something like this. Good specs and cost is good too. Mark --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .