On Saturday 10 September 2005 09:45 am, Gerhard Fiedler scribbled:
> I looked up two datasheets of PICs with EEPROM. They don't all provide this
> information.

My finding too.


> ...
> Does Microchip use different technology for the different EEPROMs in
> different PIC and serial EEPROM models? If not, one could assume that the
> D124 parameter applies, whether it's listed in the datasheet or not -- for
> both PICs and serial EEPROMs.

I'm pretty sure of it.  IIRC (don't have any datasheets at this machine), the 
16F628A for example, has 10x the endurance of the 16F87x.  Also, yesterday I 
found on the 16F818 datasheet a "FREE" bit on EECON1.  Still trying to get 
info on the full use of it (since they don't use it or clear it for their 
EEPROM write example, nor does the mid-range manual (which should apply to 
the 16F818) make any mention of it), but it at least indicates that the 
EEPROM mechanisms are different from PIC to PIC, if not the technology.

Cheers,
-Neil.


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