74lcx138 STMicroelectronics, 74lcx138 Datasheet - Page 5

• Manufacturer Part Number: 74lcx138
• Description: Low Voltage Cmos 3 To 8 Line Decoder Inv. With 5v Tolerant Inputs
• Manufacturer: STMicroelectronics

74LCX138
2.3
Note:
2.4
Note:
Truth table
Table 2. Truth table
X : Do not care
Logic diagram
Figure 4.
This logic diagram has not to be used to estimate propagation delays
G2B
H
X
X
L
L
L
L
L
L
L
L
Enable
G2A
H
X
X
L
L
L
L
L
L
L
L
Logic diagram
G1
X
X
H
H
H
H
H
H
H
H
L
Inputs
C
X
X
X
H
H
H
H
L
L
L
L
Select
B
X
X
X
H
H
H
H
L
L
L
L
A
X
X
X
H
H
H
H
L
L
L
L
Y0
H
H
H
H
H
H
H
H
H
H
L
Y1
H
H
H
H
H
H
H
H
H
H
L
Y2
H
H
H
H
H
H
H
H
H
H
L
Y3
H
H
H
H
H
H
H
H
H
H
Outputs
L
Y4
H
H
H
H
H
H
H
H
H
H
L
Y5
H
H
H
H
H
H
H
H
H
H
L
Pin settings
Y6
H
H
H
H
H
H
H
H
H
H
L
Y7
H
H
H
H
H
H
H
H
H
H
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L