The 74125N has 5v tolerant inputs, that is it will work with 5V input when only being powered off 3v3.
After some grubbing around I think that part is no obsolete and now you should use something like this:-
The 74125N has 5v tolerant inputs, that is it will work with 5V input when only being powered off 3v3.
After some grubbing around I think that part is no obsolete and now you should use something like this:-