i stuck them in backwards (unintentionally) and they got hot but they still work after.... unless the pins change color and there is a stench in thre room andy n1yew Leet Slacker on AIM ----- Original Message ----- From: Alice Campbell To: Sent: Tuesday, February 27, 2001 6:14 PM Subject: Re: [PIC]: toaster > does it shake in fear now when you walk by? > > when i attended the Microchip seminar, i wore as a lapel-pin > a 16f84 that i had toasted with injudicious application of > vpp. inserting them backwards into a ckt is pretty > effective, too. > > alice > > > I think I fried my first PIC last night. > > > > It was siting in a PCB running normally, but later I noticed a test LED > > was only half lit. > > > > I went to touch the 16F873 after removing power and heard a 'Tssst' > > sound as the Microchip logo got branded into the tip of my finger. I'd > > swear it was so hot, I could have lit a match off it. > > > > The bootloader failed to work after that, so I assumed it was dead, but > > after cooling off it worked again. For about 3 minutes, the PCB was > > ticking like chrome exaust pipes cooling off. Unfortunately, the PIC > > seems to run a bit warm now, so I don't think I'd trust it for work > > anymore, especially not for development when you don't need a cranky > > chip. > > > > The problem: A floating test lead with 12VDC wiggled it's way over to a > > VCC test pin and made contact. > > > > -- > > Best regards > > > > Tony > > > > mICro's > > http://www.picnpoke.com > > mailto:sales@picnpoke.com > > > > -- > > http://www.piclist.com hint: The list server can filter out subtopics > > (like ads or off topics) for you. See http://www.piclist.com/#topics > > > > > > > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics > > > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.