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HD74ACT138 データシートの表示(PDF) - Hitachi -> Renesas Electronics

部品番号
コンポーネント説明
メーカー
HD74ACT138
Hitachi
Hitachi -> Renesas Electronics Hitachi
HD74ACT138 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
HD74AC138/HD74ACT138
Logic Diagram
A2 A1 A0
E1 E2 E3
O7 O6 O5 O4 O3 O2 O1 O0
Please note that this diagram is provided only for the understanding of logic operations and should not be
used to estimate propagation delays.
Figure a: Expansion of 1-of-32 Decoding
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 O3O4 O5 O6 O7
O0 O1 O2 O3O4 O5 O6 O7
O0 O1 O2 O3O4 O5 O6 O7
O0 O1 O2 O3O4 O5 O6 O7
O0
O31
4

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