SNJ54LS273FK

Flip Flops Overview

The SNJ54LS273FK is an octal D-type flip-flop with a direct clear input, utilizing positive-edge-triggered TTL circuitry. It features buffered clock and individual data inputs for each of the eight flip-flops. The device operates within a voltage range of 4.75V to 5.25V, with a nominal supply of 5V. It supports a maximum propagation delay of 27ns at 5V and offers a low-level output current of 8mA. The component is housed in a 20-lead ceramic DIP package and functions reliably across an extended temperature range from -55°C to 125°C.

Flip Flops Feature Summary

• Octal configuration with single-rail outputs
• Positive-edge-triggered operation
• Direct clear input functionality

Flip Flops Applications

• High-reliability military aerospace systems
• Space-rated digital logic circuits
• Industrial control applications requiring wide temperature tolerance

Flip Flops Procurement Notes

Verify the specific suffix 'FK' against official Texas Instruments documentation to confirm the exact pinout, lead finish, and environmental compliance status. Ensure that the ceramic dual in-line package (CDIP) specifications match the required board layout constraints. Cross-reference the manufacturing date code and lot traceability requirements with the supplier's certification documents to guarantee authenticity and quality standards for critical applications.

Flip Flops Selection Notes

Select this component when space-rated or high-reliability performance is mandatory. The LS series technology provides standard TTL compatibility while offering robust operation in extreme thermal environments. Consider the 20-lead ceramic package for superior durability compared to plastic variants. Evaluate system timing requirements against the 27ns propagation delay to ensure signal integrity in high-speed digital designs.

Flip Flops Part Context

This part belongs to the SN54LS273 family of octal D-type flip-flops designed for high-performance digital applications. The SNJ prefix indicates a military-grade version manufactured by Texas Instruments. It is part of the broader LS (Low-power Schottky) logic family, which balances speed and power consumption. The device serves as a fundamental building block for sequential logic circuits in demanding electronic systems.

Flip Flops Replacement Considerations

SN54LS273-SP

Flip Flops FAQ

What is the trigger mechanism for the SNJ54LS273FK?

The device utilizes positive-edge-triggered operation to latch data.

Does the SNJ54LS273FK include a reset function?

Yes, it features a direct clear input to reset all flip-flops simultaneously.