Datasheet4U.com

54AC280 Datasheet PDF

National Semiconductor 54AC280

The ’AC280 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. The Sum Odd output is the complement of the Sum Even output.
Part No. 54AC280
Datasheet 54AC280 Download
Manufacturer
National Semiconductor
Description 9-Bit Parity Generator/Checker
Buy Stock & Price
54AC280 datasheet page 1 preview

GENERAL DESCRIPTION

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.

FEATURES

n ICC reduced by 50% n 9-bit width for memory applications n Standard Microcircuit Drawing (SMD) 5962-92201 Logic Symbols Connection Diagrams Pin Assignment for DIP and Flatpak DS100359-1 IEEE/IEC DS100359-2 Pin Assignment for LCC DS100359-4 Pin Names I0–I8 ∑O ∑E

DESCRIPTION

DS100359-3 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 ∑ Odd H L L H FACT™ is a trademark of Fairchild Semiconductor Corporation. © 1998 National Semiconductor Corporation DS100359 Logic Diagram DS100359-5 Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. 2

ABSOLUTE MAXIMUM RATINGS

(Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
54AC280 page 2 preview 54AC280 page 3 preview