Chris Levin wrote: > I don't know if they run on 3.3 volts but you can > try it and it will not hurt anything. Check the output with an > oscilloscope and if the waveform looks ok then you should be good to go. For that unit, at that temperature, at that phase of the moon. If it's not specified in the data sheet, relying on it is a bad idea, whether it works in one instance or not. ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist