True, the DS says 2.4V as minimum high input voltage. Sorry! Mohit Mahajan. Bob Blick wrote: > He's using them at 15 volts. The 4.5V minimum spec you are reading is > for the output side, not the logic side. There is no logic supply on > them! This is what they are meant to do. Take another look at the datasheet. > > Cheerful regards, > > Bob > > Mohit (Lists) wrote: >> > I use the TC4469. It is meant for exactly your type of application. >> Unfortunately these work only down to 4.5V. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist