HD74HC280 Datasheet, PDF (1/6 Pages) Hitachi Semiconductor – 9-bit Odd/Even Parity Generator/Checker

HD74HC280
9-bit Odd/Even Parity Generator/Checker
REJ03D0606–0200
(Previous ADE-205-484)
Rev.2.00
Jan 31, 2006
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: t_pd (Data to Σ Even or Σ Odd) = 22 ns typ (C_L = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: V_CC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: I_CC (static) = 4 µA max (Ta = 25°C)
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74HC280P
DILP-14 pin
PRDP0014AB-B
(DP-14AV)
P
HD74HC280FPEL SOP-14 pin (JEITA)
PRSP0014DF-B
(FP-14DAV)
FP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
Function Table
Number of inputs
A through I that are high
0, 2, 4, 6, 8
1, 3, 5, 7, 9
H : High level
L : Low level
Σ Even
H
L
Outputs
Σ Odd
L
H
Rev.2.00 Jan 31, 2006 page 1 of 5