LM556 unused half input termination
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Posted by Rich Grise on May 17, 2007, 3:18 pm
Please log in for more thread options On Thu, 17 May 2007 16:42:21 +0000, Rich Grise wrote: Thanks everyone for your answers. Now all I have to do is get up off my dead butt and breadboard the thing. :-) Thanks! Rich | ||||||||||||||||
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> followups-to set to sci.electronics.basics.
>
> I found a 556 in my junque box, and thought it'd be fun to flash an LED or
> something, but I only need one half of it. I know unterminated inputs are
> anathema for digital chips, but what about the spare half of a 556? From
> the schem. on the data sheet,
> http://www.national.com/pf/LM/LM556.html
> http://www.national.com/ds.cgi/LM/LM556.pdf
> it kinda looks like pulling them to either rail might be not too good for
> the chip - what do you guys recommend?
>