It is not a CMOS device, the clue is in the part number it is the LS bit that tells you it is TTL and not CMOS.
Pull downs on TTL need to be about 330R or less. Have you got a decoupling capacitor on?
It is not a CMOS device, the clue is in the part number it is the LS bit that tells you it is TTL and not CMOS.
Pull downs on TTL need to be about 330R or less. Have you got a decoupling capacitor on?