74LS280 9-Bit Odd-Even Parity Generator Checker IC (74280)
Universal IC for generating odd/even parity with wide voltage range and fast speed.
- Spec name: 9 Bit Odd or Even Parity Generator or Checker
- Supply Voltage Range: 4.75V to 5.25V
- Supply Current Max: 27mA
- HIGH Level Input Voltage Min.: 2V
- LOW Level Input Voltage Max.: 0.8V
- HIGH Level Output Voltage Min.: 2.7V
- LOW Level Output Voltage Max.: 0.5V
- High level Output Current Max.: -0.4mA
- Low level Output Current Max.: 8mA
- Input Clamp Voltage Max.: -1.5V
- Propagation Delay Time Max.: 50ns
- Typical Power Dissipation: 80mW
- Package: DIP-14
Top Features:
- Universal 9-Bit Parity Generator/Checker
- Wide operating voltage range
- Direct interface with CMOS, NMOS, and TTL
- Small size and high speed
The 74LS280 IC is a versatile component designed for generating odd or even parity with the ability to cascade for expanding word length. It operates seamlessly with CMOS, NMOS, and TTL devices, providing reliable performance in various applications. The IC's compact size and fast speed make it a preferred choice for digital systems.
The 74LS280 IC does not have an expander input implementation but offers improved performance compared to the LS180 when substituted. It features buffered inputs to reduce drive requirements to one LS unit load, enhancing overall efficiency.
A parity generator is a crucial component in digital systems, ensuring data integrity by detecting single-bit errors in transmitted data. The parity bit generated by the IC helps in error detection, making it an essential tool for maintaining data accuracy.
Applications:
- Used to detect errors in transmitted data caused by noise or other disturbances.
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