The MC74AC157/74ACT157 is a high−speed quad 2−input multiplexer. Four bits of data from two sources can be selected using the common Select and Enable inputs. The four outputs present the selected data in the true (non−inverted) form.
The MC74AC157/74ACT157 can also be used as a function generator.

FEATUREs
• Outputs Source/Sink 24 mA
• ′ACT157 Has TTL Compatible Inputs
• These are Pb−Free Devices