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Product Detailed Parameters
- Description：PARITY GENERATOR/CHECKER, 9-BIT
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Logic Type：-
- Number of Circuits：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
Download product information
Overview
The SNJ54LS280FK is a 9-bit odd/even parity generator and checker manufactured by Texas Instruments. It operates within an extended temperature range of -55°C to 125°C and utilizes a 20-pin Leadless Ceramic Chip Carrier (LCCC) package with dimensions of 8.89 x 8.89 mm and a maximum height of 2.03 mm. The device functions as a logic integrated circuit designed for high-reliability applications requiring robust data integrity verification in harsh environments.
Feature Summary
- Provides simultaneous generation and checking of 9-bit odd or even parity
- Operates reliably across the full military-grade extended temperature range
- Utilizes a hermetically sealed leadless ceramic chip carrier package
Applications
- Military communication systems requiring data integrity verification
- Avionics data bus monitoring and error detection
- High-reliability industrial control systems operating in extreme temperatures
Procurement Notes
Verify the specific suffix 'FK' corresponds to the LCCC package variant when sourcing. Confirm that the component meets MIL-STD specifications if required for your application, as the SNJ prefix typically indicates military grade. Ensure compatibility with existing board layouts due to the specific 8.89 x 8.89 mm footprint.
Selection Notes
Select this component when 9-bit parity handling is necessary alongside extended temperature resilience. Compare against standard LS series parts if environmental constraints are less severe. Consider the LCCC package requirements for soldering and thermal management during integration into the target system design.
Part Context
This part belongs to the Texas Instruments SNJ54LS family, which denotes military-grade performance levels. It complements other logic devices by providing specialized data validation capabilities. The FK suffix specifically identifies the leadless ceramic packaging option suitable for ruggedized electronics.
Replacement Considerations
Direct substitutes must match the 9-bit parity function and LCCC package. Verify equivalent temperature ranges and pin configurations before substitution.
