On 5 Dec 2007 at 5:12, Adnan Yusuf wrote: > Since its my first project ever, i have to ask this question. When > people talk of a 5v IC, does it mean that i cant give 12 volts to its > vcc. I was hoping of just giving the 12 vcc that i was using for the > rest of the circuit to the ics as well > > thanks > adnan yusuf > 12 volts to a 5V IC = destroyed IC. Run the 12V to a 7805 or other 5V regulator. Put a 10uF cap on the input and output of the 7805 and a .1uF as near as possible to the Vcc and GND pins of the IC.
Dave - WB6DHW <http://wb6dhw.com>
