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open collector

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jcaluma

New Member
question....
what does an open collector output means?...
or how does it differ with the other...
thanks...
 
Open collector means an output pin that can only sink, or only source current , depening it's a PNP or a NPN output...

In most cases it means NPN wich means the output can only sink current (put - on the line), but can't source it (can't make it +), in stead the output is floating.
 
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