In message  <m0vsxz7-001BqqC@passport.ca> PICLIST@MITVMA.MIT.EDU writes:
[snips]
> 2.  What is the actual speed the parts run at?  I've been trying a 20 MHz
> ECS Ceramic Resonator and it doesn't run (a 10 MHz part run fines).  The
> catalog says that the internal caps are 30 pF.  The datasheet says that a 16
> MHz Resonator with 10-22 pF caps ran fine.  Do I have too much built-In
> Capacitance?
> I did try a series 47 & 100 Ohm resistor with no luck.

Myke,

FWIW, I am using a C73 (not A) with a 20MHz ceramic resonator with
built in caps with no problems.

Regards,


Mike Watson