The MC74HC280N is a high-speed CMOS 9-bit odd/even parity generator/checker. The device can be used to detect errors in data transmission or storage. It receives nine data inputs and generates two outputs: Odd Parity and Even Parity. The outputs indicate whether the number of HIGH inputs is odd or even, respectively. The device offers high speed and low power consumption, making it suitable for a wide range of digital systems.
Applications
- Error detection in data transmission
- Memory parity checking
- Data storage integrity verification
- Communication systems
- Industrial control systems
Features
- High Speed: tPD = 24 ns (typ) at VCC = 5V
- Low Power Dissipation: ICC = 4 μA (max) at TA = 25°C
- High Noise Immunity: VNIH = VNIL = 30 % VCC
- Output Drive Capability: 10 LSTTL Loads
- Outputs Directly Interface to CMOS, NMOS, and TTL
- Operating Voltage Range: 2 V to 6 V
- Low Input Current: 1 μA max
Benefits
- Improved data reliability through error detection.
- Reduced power consumption in portable and energy-efficient systems.
- Enhanced noise immunity for reliable operation in harsh environments.
- Easy integration with various logic families.
- Flexible operating voltage to accommodate diverse power supply configurations.
Additional Details
The MC74HC280N is available in a 14-pin DIP (Dual In-line Package). It operates over a temperature range of -55°C to +125°C. The parity outputs provide a clear indication of the parity status of the input data. The device features a propagation delay of 24ns (typical) at 5V. The outputs can drive 10 LSTTL loads. The low input current contributes to the overall low power consumption, making it suitable for battery-powered applications. The device is designed for high-speed operation, allowing for real-time parity checking in data transmission systems.