/diy/ - Do It Yourself

>>1527998
>or you could dial input current down to 5mA and still be within IC rating
But I can't count on the stepper driver couplers triggering with just that.

>that's why it is customary for I/Os to pull loads down instead of up
Some of them have a common anode and some have a common cathode, so I need to be able to handle both cases

>>1527998
>are you sure it's an LS, and not an HCT or specific bus translator 74xx series?
It's not a LS but I don't remember which are the random letters because I sold the board a long time ago. I'll need to search the internet.

So what I need is a buffer IC, hmm