MC74AC153 ON Semiconductor, MC74AC153 Datasheet - Page 2

• Manufacturer Part Number: MC74AC153
• Description: Dual 4-Input Multiplexer
• Manufacturer: ON Semiconductor

Figure 2. Logic Symbol
NOTE:
This diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation
delays.
MC74AC153, MC74ACT153
Figure 3. Logic Diagram
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2
multiplexer. It can select two bits of data from up to four
sources under the control of the common Select inputs (S
S
active–LOW Enables (E
the outputs independently. When the Enables (E
HIGH, the corresponding outputs (Z
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.
1
The MC74AC153/74ACT153 is a dual 4–input
Z
Z
). The two 4–input multiplexer circuits have individual
a
b
= E
= E
a
b
(I
(I
FUNCTIONAL DESCRIPTION
0a
0b
S
S
1
1
S
S
0
0
+I
+I
1a
1b
a
S
,E
S
1
1
b
) which can be used to strobe
S
S
0
0
+I
+I
2a
2b
S
a
S
, Z
1
1
S
b
S
0
) are forced LOW.
0
+I
+I
3a
3b
S
S
1
1
a
S
, E
S
0
0
)
)
b
) are
0
,