The 74151 is a 8 input channel multiplexer. It is exceptionally useful when you need to expand your inputs. This allows you to convert 3 outputs and 1 input into 8 addressable inputs.
Spec Sheet: https://www.nxp.com/documents/data_sheet/74HC_HCT151_CNV.pdf

Voltage In: V ~ V

Supply Current: mA

Current Output (Max): mA

Output Type:

Schematic

Truth Table