I've got a nice clean looking Omega Race PCB but it's missing a few chips, one of which I haven't been able to cross-reference.
The one I can't seem to figure out has three numbers on it. It says AD40715, AD561J and 8135. Don't know which of the three I should be looking it up by but none of them seem to be helping me much. Anyone know?
Also need a 74LS138N and TL081CP.
Thanks!
The one I can't seem to figure out has three numbers on it. It says AD40715, AD561J and 8135. Don't know which of the three I should be looking it up by but none of them seem to be helping me much. Anyone know?
Also need a 74LS138N and TL081CP.
Thanks!


