Dave Vence wrote:
>P.S.  It nags at me that the "absolute max" ratings specify Vcc+0.3V:  I wonder
>if this is the forward drop of the internal clamping diodes, or an arbitrary (x
>0.5) safety-factor applied to the usual 0.6V?
>

The diodes are probably devised from mosfet transistor semiconductor
rather than the usual straightforward silicon PN junction, so the forward
drop may be different. ????????///

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