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Topic: CD74HC154 Decoder - Why does it not follow Datasheet Truth Table? (Read 890 times) previous topic - next topic


Those are too big to be simple vias. They have been included to allow flexible modding of the board, which is good news for you! Yes, those pins you mentioned, A0 & A1 would be suitable. There is one pin which is not connected to any other components. Maybe you could use that.


The vias could be used.

Probably meant for male header pins.

May have to cut some traces.

No technical PMs.
The last thing you did is where you should start looking.


larryd and PaulRB you are both great.  Thanks for all you two do in helping us all learn.

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