At 10:40 PM 2/19/02 -0500, Steve Kasm wrote:

>I have a 555 timer design that doesn't use the Control Voltage pin on
>the 555,
>
>What is the proper termination if this pin is not used, can it be left
>floating or should I tie it to Vcc or Gnd?

Either let it float *OR* connect a small capacitor (0.01 uF) between pin 5
and Gnd.  Don't connect it directly to either Vcc or Gnd.

dwayne


Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

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