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MC74AC153MR2 View Datasheet(PDF) - ON Semiconductor

Part Name
Description
Manufacturer
MC74AC153MR2
ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC74AC153MR2 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
MC74AC153, MC74ACT153
Ea I0a I1a I2a I3a I0b I1b I2b I3b Eb
S0
S1
Za
Zb
Figure 2. Logic Symbol
Ea I0a
I1a
I2a
I3a
S1
FUNCTIONAL DESCRIPTION
The MC74AC153/74ACT153 is a dual 4−input
multiplexer. It can select two bits of data from up to four
sources under the control of the common Select inputs (S0,
S1). The two 4−input multiplexer circuits have individual
active−LOW Enables (Ea,Eb) which can be used to strobe
the outputs independently. When the Enables (Ea, Eb) are
HIGH, the corresponding outputs (Za, Zb) are forced LOW.
The MC74AC153/74ACT153 is the logic implementation
of a 2−pole, 4−position switch, where the position of the
switch is determined by the logic levels supplied to the two
Select inputs. The logic equations for the outputs are shown
below.
Za = Ea(I0aS1S0+I1aS1S0+I2aS1S0+I3aS1S0)
Zb = Eb(I0bS1S0+I1bS1S0+I2bS1S0+I3bS1S0)
S0
I0b
I1b
I2b
I3b Eb
Za
Zb
NOTE:
This diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation
delays.
Figure 3. Logic Diagram
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