9-bit Parity Generator/Checker
(Previous ADE-205-387 (Z))
The HD74AC280 is a high-speed parity generator/checker that accepts nine bits of input data and detects whether an
even or an odd number of these inputs is High. If an even number of inputs is High, the Sum Even output is High. If an
odd number is High, the Sum Even output is Low. The Sum Odd output is the complement of the Sum Even output.
• Outputs Source/Sink 24 mA
• Ordering Information
Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity)
HD74AC280FPEL SOP-14 pin (JEITA) FP-14DAV
EL (2,000 pcs/reel)
HD74AC280RPEL SOP-14 pin (JEDEC) FP-14DNV
EL (2,500 pcs/reel)
Notes: 1. Please consult the sales office for the above package availability.
2. The packages with lead-free pins are distinguished from the conventional products by adding V at the end of
the package code.
Rev.2.00, Jul.16.2004, page 1 of 7