I meant that channel A is low, not pulled low. It seems that it is being pulled low, but I can't figure out by what. I am clueless on this problem. Looking at the schematic I would assume that with 5v on pin 3 then pin 1 and 2 should be 5V when connected. I assumed that the problem was on the board. I have taken a brand new chip and soldered wire wrap from the legs and hooked them to a lab supply. It performed the same ≈ 2.8V. I really do not understand this problem. It says on the datasheet that it should operate on around 1.8V to 15V. I have looked at the datasheet and I don't see any other conditions that would keep it from operating correctly.