[sdiy] unused comparators

[David G Dixon]

> > > I gotta simple question: What's the best thing to do with 
> an unused 
> > > comparator on, say, an LM339?  I'm thinking ground the
> > input pins and
> > > pull up the output.  Can it just be left unconnected?
> > 
> > The LM339 data sheet specifies that all pins of any unused 
> comparators 
> > should be connected to the negative supply.
> 
> Hmm, the "data sheet", you say?  I'll have to check out this 
> "data sheet".
> Cool.  :)

Yep, there it is, right on page 5: "All pins of any unused comparators
should be grounded."  It even gets its own paragraph.