Byron A Jeff said:
> So the 13 ma that my circuit would max
> out at could potentially prevent it from programming.
>
> Just to be safe if programming a EPROM part use a 470 ohm. That gives a
> healthy 28ma to the MCLR pin.

But that's at 0 volts. The specs call for Vpp not to vary by more than .25
volts, so that's less than 1 ma available.

You could add a second transistor as an emitter follower I suppose.

Cheers,

Bob

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