HD74HC83 データシートの表示（PDF） - Hitachi -> Renesas Electronics
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HD74HC83 Datasheet PDF : 10 Pages
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HD74HC83
Function Table
Outputs
Inputs
A1/A3
L
B1/B3
L
A2/A4
L
B2/B4
L
When C0 = L/When C2 = L
∑1/∑3
∑2/∑4
C2/C4
L
L
L
When C0 = H/When C2 = H
∑1/∑3
∑2/∑4
C2/C4
H
L
L
H
L
L
L
H
L
L
L
H
L
L
H
L
L
H
L
L
L
H
L
H
H
L
L
L
H
L
H
H
L
L
L
H
L
L
H
L
H
H
L
H
L
H
L
H
H
L
L
L
H
L
H
H
L
H
H
L
L
L
H
H
H
H
L
L
L
H
H
L
H
L
L
L
H
L
H
L
H
H
L
H
L
L
H
H
H
L
L
L
H
L
H
L
H
H
H
L
L
L
H
H
H
L
H
L
L
H
H
L
H
L
L
H
H
L
L
H
H
L
H
H
L
H
H
H
L
H
L
H
H
L
H
H
H
H
L
H
L
H
H
H
H
H
H
L
H
H
H
H
H
H:
L:
X:
Note:
High level
Low level
Irrelevant
Input conditions at A1, B1, A2, B2 and C0 are used to determine outputs ∑1 and ∑2 and the value of the
internal carry C2.
The value at C2, A3, B3, A4 and B4 are than used to determine outputs ∑3, ∑4 and C4
2
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