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DM74LS85 データシートの表示(PDF) - Fairchild Semiconductor

部品番号
コンポーネント説明
メーカー
DM74LS85
Fairchild
Fairchild Semiconductor Fairchild
DM74LS85 Datasheet PDF : 6 Pages
1 2 3 4 5 6
Function Table
Comparing
Inputs
A3, B3 A2, B2 A1, B1
A3 > B3
X
X
A3 < B3
X
X
A3 = B3 A2 > B2
X
A3 = B3 A2 < B2
X
A3 = B3 A2 = B2 A1 > B1
A3 = B3 A2 = B2 A1 < B1
A3 = B3 A2 = B2 A1 = B1
A3 = B3 A2 = B2 A1 = B1
A3 = B3 A2 = B2 A1 = B1
A3 = B3 A2 = B2 A1 = B1
A3 = B3 A2 = B2 A1 = B1
A3 = B3 A2 = B2 A1 = B1
A3 = B3 A2 = B2 A1 = B1
A3 = B3 A2 = B2 A1 = B1
H = HIGH Level, L = LOW Level, X = Don’t Care
A0, B0
X
X
X
X
X
X
A0 > B0
A0 < B0
A0 = B0
A0 = B0
A0 = B0
A0 = B0
A0 = B0
A0 = B0
Cascading
Inputs
A>B A<B A=B
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
L
L
L
H
L
L
L
H
X
X
H
H
H
L
L
L
L
Outputs
A>B
H
L
H
L
H
L
H
L
H
L
L
L
L
H
A<B
L
H
L
H
L
H
L
H
L
H
L
L
L
H
A=B
L
L
L
L
L
L
L
L
L
L
H
H
L
L
Logic Diagram
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