Catalog > Semiconductors > Integrated Circuits IC IC 74HCTLS251 Multiplexer 8-Chan 3State 16PD 2.22 ZAR inc for 1 Each 322 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Logic Family: HCT/HCTLS (High-speed CMOS with TTL-compatible input thresholds). Input/Output Configuration: 8 data inputs, 3 select lines, 1 strobe/enable, 2 complementary outputs. Operating Voltage: Typically 4.5 V to 5.5 V for HCT variants (standard CMOS extends up to 6.0 V). Pin Count: Standard 16-pin package DIP