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74ACT280B(1998) データシートの表示(PDF) - STMicroelectronics
部品番号
コンポーネント説明
メーカー
74ACT280B
(Rev.:1998)
9 BIT PARITY GENERATOR/CHECKER
STMicroelectronics
74ACT280B Datasheet PDF : 8 Pages
1
2
3
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5
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7
8
74ACT280
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
5, 6
8, 9, 10, 11,
12, 13, 1, 2,
4
3
7
14
S Y M B OL
Σ
EVEN
Σ
ODD
A to I
NC
GND
V
CC
NAME AND FUNCTION
Parity Outputs
Data Inputs
No Connection
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
NUMBER OF INPUT A TRHU I THAT ARE HIGH
0, 2, 4, 6, 8
1, 3, 5, 7, 9
LOGIC DIAGRAM
Σ
EVEN
H
L
OUTPUT
Σ
ODD
L
H
2/8
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