Mark Rand wrote:

but I'm amused to see that there may be features that
are not advertised :-).

I _guess_ that all have them. The chip will be the same, they do have an
application note with PCB-layout to copy from. Like the Japanes in the
60's: Copy, copy, clone.

Nick
--
Motor Modelle // Engine Models
http://www.motor-manufaktur.de