MM74HC4051
8-Channel Analog Multiplexer (Fairchild)
MM74HC4052
Dual 4-Channel Analog Multiplexer (Fairchild)
MM74HC4053
Triple 2-Channel Analog Multiplexer (Fairchild)
MM74HC4020
14-Stage Binary Counter (National Semiconductor)
MM74HC4020
14-Stage Binary Counter 12-Stage Binary Counter (Fairchild)
MM74HC4040
12-Stage Binary Counter (National Semiconductor)
MM74HC4040
14-Stage Binary Counter 12-Stage Binary Counter (Fairchild)
MM74HC4046
CMOS Phase Lock Loop (Fairchild)
MM74HC4049
Hex Inverting Logic Level Down Converter (Fairchild)
MM74HC4060
14 Stage Binary Counter (Fairchild)