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MC74LCX138M データシートの表示(PDF) - Motorola => Freescale

部品番号
コンポーネント説明
メーカー
MC74LCX138M
Motorola
Motorola => Freescale Motorola
MC74LCX138M Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
MC74LCX138
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
LCX DATA
BR1339 — REV 3

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