DM74LS157NDM 74LS157N74LS157DIP - 16 PINOSLOGIC MUX, QUAD, 2-INPUT, LS-TTL, 16 Pin, Plastic, DIP
74LS157 - CI 74LS157, Encoders, Decoders, Multiplexers 1-Element Bipolar 8-IN - DIP 16