Multiplexer 1 x 8:1 DIP-16 Specifications Series: 74LS Type: Multiplexer Circuit: 1 x 8:1 Independent Circuits: 1 Current - Output High, Low: 2.6 mA, 8 mA Voltage Supply Source: Single Supply Voltage - Supply: 4.75 V to 5.25 V Operating Temperature: 0C to 70C Mounting Type: Through Hole Package: 16-DIP (0.300", 7.62mm) Base Number: 74LS251