piclist 2001\01\19\050011a
>
Thread:
RA4 as output attached to TTL logic, pull-up minimum consumption
www.piclist.com/techref/microchip/ios.htm?key=output
BY
:
Alan B. Pearce email (remove spam text)
>The basic pull-up resistor would be continuously consuming energy and this is
what I see 'ugly' >in my design.
>Could you recomend me alternative solutions for minimum consumption?
Somewhere between 4k7 and 10k should be suitable unless you have a particularly
noisy environment around the track between the two chips. This would give
somewhere between 1ma and 0.5ma current draw when the pin is pulled to ground.
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