MC74VHC157M Ver la hoja de datos (PDF) - ON Semiconductor
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MC74VHC157M Datasheet PDF : 7 Pages
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NIBBLE
INPUTS
E
S
2
A0
3
B0
A1 5
B1 6
11
A2
10
B2
A3 14
B3 13
15
1
MC74VHC157
4 Y0
7 Y1
9 Y2
DATA
OUTPUTS
12 Y3
Figure 2. Expanded Logic Diagram
E 15
S1
A0 2
B0 3
A1 5
B1 6
A2 11
B2 10
A3 14
B3 13
EN
G1
1 MUX
1
4 Y0
7 Y1
9 Y2
12 Y3
Figure 3. IEC Logic Symbol
FUNCTION TABLE
Inputs
Outputs
E
S Y0 -- Y3
H
X
L
L
L
A0--A3
L
H B0--B3
A0 -- A3, B0 -- B3 = the levels
of the respective Data--Word
Inputs.
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