HD74AC280 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – 9-bit Parity Generator/Checker

HD74AC280/HD74ACT280
Logic Symbol
I0 I1 I2 I3 I4 I5 I6 I7 I8
ΣO
ΣE
Pin Names
I₀ – I₈
O
E
Data Inputs
Odd Parity Output
Even Parity Output
Truth Table
Number of High Inputs I₀ – I₈
0, 2, 4, 6, 8
1, 3, 5, 7, 9
H : High Voltage Level
L : Low Voltage Level
Outputs
∑ Even
H
L
∑ Odd
L
H
2