> I would have REALLY appreciated a warning in the Microchip > datasheet that the Bulk Erase does not work at 3.3V... It's there but you missed it. Not the data sheets fault, is it ? > The 4.5V restriction is listed in the specifications but I saw no text > highlighting this that would bring my attention to it. Well, it might not be flashing, but if I'm not wrong, it's in a separate textbox with a frame and a grey background and saying "Note:" in bold. As much as you can do in a printed document, I'd guess... > At first glance it appears to me that every function operates > ok to around 2V. And a "glance" is enough when designing something that will be used "across the nation (and some international)" ? Best Regards, Jan-Erik -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist