All I have is a copy of the spec sheet.
Here's what it says:

muRata
Ceramic Resonators
1.80MHz to 60.00MHz
With built-in load capacitors

Then there's a drawing and pinout of the device, and under that
is says:

*Terminals have directionality. 1 Input 2 Ground 3 Output

Regards,
Colin


>From: James Paul <jim@JPES.COM>
>Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>To: PICLIST@MITVMA.MIT.EDU
>Subject: Re: [PIC]  Stupid resonator conection question
>Date: Thu, 21 Sep 2000 13:50:51 -0700
>
>  Colin,
>
>  I've been in the electronics business a long time, but I've never
>  seen a "polarized" resonator.   There are two terminal resonators
>  that act basically the same way a crystal does, except it uses
>  ceramic instead of quartz.   Then there are the three terminal
>  resonators that have small caps to a common ground pin.  Lastly,
>  there are the canned oscillators that are one of three sizes
>  generally.  The large size (roughly the same X-Y dimensions as
>  a 14 pin DIP) that fits a 14 pin DIP socket, The small size that
>  is roughly the same size as an 8 pin DIP, and fits an 8 pin DIP
>  socket, and the last one, the SMD or Surface Mount Device. These
>  are smaller than the other two and obviously are meant to be
>  soldered directly to the board.  The canned oscillator is the only
>  one of the units described above that is "polarized" at all, and
>  that is because that part needs 5VDC and Ground to operate.
>  Are you sure you have a resonator?  And if so, who is the mfg?
>  I'd like to know.  I keep my eyes open for new parts all the time
>  for work, so this may be needed sometime in the future.
>  Anyway, elaborate a little more on this part.
>
>                                           Regards,
>
>
>                                             Jim
>
>
>
>On Thu, 21 September 2000, Colin Constant wrote:
>
> >
> > Well, this is probabley blindingly obvious to everyone but me, but I
>guess
> > I'll ask anyway.
> >
> > The resonator is polarized i.e. pin 1 is In and pin 3 is Out.  The PIC
>has
> > Osc In and Out pins. Sooo, does the PIC Out pin connect to the resonator
>In
> > pin and the resonator Out pin to the PIC In pin?   Or is In connected to
>In
> > and Out to Out?
> >
> > Thanks a lot,
> > Colin
> >
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>
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