I am using the ZTT-20.00MX part from ECS Inc. with complete success. I have
assembled about 50 devices using the 16C57 with this resonator and have yet
to have a single failure.

Digi-Key part# X909-ND

Calvin


>At 10:23 AM 6/30/98 -0400, you wrote:
>>We have been experiencing some high failure rates with resonators and
>>the
>>16C57.  We are using 3 different manufacturer's and have experienced
>>failure rates in the order of 2.5 to 10 %.  Some of these are
>>intermittant.  Someone had mentioned to me that this issue came up in
>>the past
>>on this list.
>
>What speed resonators are you using?  20 MHz PIC is not reliable using a
>resonator.  Also, are you using a resonator with internal capacitors?
>
> Todd Peterson
> E-Lab Digital Engineering, Inc.
> (816) 257-9954
> Embedded Control & Integrated Circuit Solutions...
> <http://www.elabinc.com/>http://www.elabinc.com
>
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