Hi everyone, my names Cris, and Ive been having a problem with noisy signals for a while now. Im designing and building a computer for my senior project, and Ive chosen the HCF40181 monolithic IC ALU to take over the pure-computational tasks that the CPU will be required to execute. The problem is, the outputs of the 40181 are EXTREMELY noisy. Nothing in the computer is being clocked at the moment, so there arent any major sources of electrical noise anywhere in the circuit. The power supply is a 9V battery, being run through a 7805 5V regulator. Ive checked the inputs to the 40181, and they are stable, but the outputs constantly flicker. There is a 74HCT244 between the 40181s outputs and the data-bus, and all of the inputs are pulled low with 1K resistors. Ive been trying to solve this problem for a month now, and have resorted to simply skipping this part of the computer, and continuing on building the other components. Can anyone help me with this? If you feel that I should learn everything on my own, since its for my senior project, than feel free to at least give me a link to a related Wikipedia article =]
Thank you!
Thank you!