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Quad 2-Input Multiplexer
MC74AC157, MC74ACT157
Quad 2-Input Multiplexer
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 (noninverted) form.
The MC74AC157/74ACT157 can also be used as a function
generator.
Features Outputs Source/Sink 24 mA ′ACT157 Has TTL Compatible Inputs Pb−Free Packages are Available*
VCC I0c I1c Zc I0d I1d Zd
SI0a I1a Za I0b I1b Zb GND
Figure 1. Pinout: 16−Lead Packages Conductors(Top View)
TRUTH TABLEH = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
