MC74LVQ138 Datasheet, PDF (2/8 Pages) Motorola, Inc – LOW-VOLTAGE CMOS DECODER/DEMULTIPLEXER

MC74LVQ138
A2 A1
3
2
LOGIC DIAGRAM
A0
E1 E2 E3
1
456
7
9
10
11
12
13
14
15
O7
O6
O5
O4
O3
O2
O1
O0
INPUTS
OUTPUTS
E1
E2
E3
A0
A1
A2
O0
O1
O2
O3
O4
O5
O6
O7
H
X
X
X
X
X
H
H
H
H
H
H
H
H
X
H
X
X
X
X
H
H
H
H
H
H
H
H
X
X
L
X
X
X
H
H
H
H
H
H
H
H
L
L
H
L
L
L
L
H
H
H
H
H
H
H
L
L
H
H
L
L
H
L
H
H
H
H
H
H
L
L
H
L
H
L
H
H
L
H
H
H
H
H
L
L
H
H
H
L
H
H
H
L
H
H
H
H
L
L
H
L
L
H
H
H
H
H
L
H
H
H
L
L
H
H
L
H
H
H
H
H
H
L
H
H
L
L
H
L
H
H
H
H
H
H
H
H
L
H
L
L
H
H
H
H
H
H
H
H
H
H
H
L
H = High Voltage Level; L = Low Voltage Level; X = High or Low Voltage Level and Transitions Are Acceptable; For ICC reasons, DO NOT FLOAT
Inputs
A0
A1
A2
A3
A4
A0 A1 A2
H
123
E
123
A0 A1 A2
E
123
A0 A1 A2
E
‘04
123
A0 A1 A2
E
O0 O1 O2 O3 O4 O5 O6 O7
O0 O1 O2 O3 O4 O5 O6 O7
O0 O1 O2 O3 O4 O5 O6 O7
O0 O1 O2 O3 O4 O5 O6 O7
O0
O31
Figure 1. Expansion to 1–of–32 Decoding
MOTOROLA
2
LVQ DATA
BR1478