HD74HC280 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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HD74HC280 Datasheet PDF : 7 Pages
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HD74HC280
9-bit Odd/Even Parity Generator/Checker
Description
This parity generator/checker features odd/even outputs to facilitate operation of either odd or even parity
applications. The word length capability is easily expanded by cascading devices.
Features
• High Speed Operation: tpd (Data to Even or Odd) = 22 ns typ (C L = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Function Table
Number of inputs A through I that are high
0, 2, 4, 6, 8
1, 3, 5, 7, 9
Outputs
∑ Even
H
L
∑ Odd
L
H
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