BUY 74LS253 https://www.utsource.net/itm/p/11723934.html

Description: The 74LS253 is a high-speed, low-power, low-voltage, dual 4-input multiplexer. Features: Low power dissipation: 80 mW Low input current: 1 μA High noise immunity: 0.45 VDD (min) High speed: tpd = 4.5 ns (typ) High output current: 8 mA (low) Wide operating voltage range: 2 to 6 V Low quiescent current: 1 μA (max) Inputs accept voltages up to 7V Outputs source/sink 24 mA Applications: Data selectors/multiplexers Address selectors/decoders Bus interface Peripheral interface Memory address logic Data routing (For reference only)