Made me look.

You'll want the 18F4420 to get as much program space as the 16F877 has.
Or the 4620 to quadruple it (and more RAM & EEPROM).

For a development work, get the most resources you can, then
pick the PIC that fits your final result (and perhaps recode for
resource saving) if cost becomes an issue. The 18F4620 seems to be
the biggest 'standard' pic in that class.

Robert

Jon Philpott wrote:
> Robert Rolf wrote:
> 
> 
>>I haven't looked, but you could just make up a board that mapped
>>the 877A pins to whatever 18F MCU you like.
>>
>>Robert
>>
>> 
>>
> 
> Thanks,
> 
> I did some research myself and found that the 18F4220 seems to be 
> pin-for-pin the same as the 16F877A
> 
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