TEXAS INSTRUMENTS CD54/74AC280 CD54/74ACT280 9-Bit Odd/Even Parity Generator/Checker handbook

CD54AC280, CD54ACT280 are 9-bit odd/even parity generator/checkers that utilize Advanced CMOS Logic technology. Both even and odd parity outputs are available for checking or generating parity for words up to nine bits long. Even par- ity is indicated (∑E output is HIGH) when an even number of data inputs is HIGH. Odd parity is indicated (∑O output is HIGH) when an odd number of data inputs is HIGH. Parity checking for words larger than nine bits can be accom- plished by tying the ∑E output to any input of an additional 'AC280, 'ACT280 parity checker.


TEXAS INSTRUMENTS CD54/74AC280 CD54/74ACT280 9-Bit Odd/Even Parity Generator/Checker handbook - cover page
Brand
Texas Instruments
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
12
File format
PDF
File size
397 KB
Published
02 July, 2012
Updated
01 October, 2023
MD5 checksum
AB382FDD51A4A65D44B3710E09E8DAE0

About this manual

The CD54/74AC280 and CD54/74ACT280 are 9-bit odd/even parity generator/checkers that utilize Advanced CMOS Logic technology. These devices provide both even and odd parity outputs to check or generate parity for words up to nine bits long. Parity checking for words larger than nine bits can be accomplished by tying the YE output to any input of an additional parity checker.

What's inside

  • Features
  • Ordering Information
  • Pinout
  • Functional Diagram
  • Absolute Maximum Ratings
  • Operating Conditions
  • DC Electrical Specifications
  • Switching Specifications

Specifications

Propagation Delay (Typical)10ns
ESD Protection2kV
Output Drive Current+24mA
Supply Voltage Range (AC Types)1.5V to 5.5V
Supply Voltage Range (ACT Types)4.5V to 5.5V
Number of Bits9-bit

Frequently asked questions

What is the typical propagation delay?

The typical propagation delay is 10ns at Voc = 5V, Ta = 25°C, and CL = 50pF.

Can this device check parity for words larger than nine bits?

Yes, by tying the YE output to any input of an additional AC280 or ACT280 parity checker.

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