SNJ54HC109J

Flip Flops Overview

The SNJ54HC109J is a high-speed CMOS J-type flip-flop manufactured by Texas Instruments. It features a positive-edge clock trigger and an active-low preset input. The device includes separate data (D) and clock (CLK) inputs, along with complementary Q and /Q outputs. Designed for military-grade reliability, it operates within a wide supply voltage range of 2V to 6V. The package is a ceramic dual-in-line (CDIP) configuration, ensuring robust performance in demanding environments while maintaining standard logic compatibility.

Flip Flops Feature Summary

• Positive-edge triggered J-K operation with independent clock control
• Active-low asynchronous preset functionality for immediate state initialization
• Complementary output states providing both true and inverted signals simultaneously

Flip Flops Applications

• Military aerospace digital systems requiring radiation tolerance
• High-reliability industrial control logic circuits
• Data storage registers in harsh environment computing hardware

Flip Flops Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm the exact package variant and temperature rating. Ensure that the procurement channel provides traceability for military-grade components. Cross-reference the date code and lot number with quality certifications required for defense or aerospace contracts. Confirm that the received units match the specified ceramic package type and pinout configuration before integration into sensitive applications.

Flip Flops Selection Notes

Select this component when designing systems that require certified military-grade reliability and wide operating voltage flexibility. It is suitable for applications where positive-edge triggering and asynchronous preset capabilities are necessary. Consider the ceramic package for superior thermal and mechanical stability compared to plastic variants. Evaluate the need for complementary outputs to simplify circuit design by eliminating external inversion stages.

Flip Flops Part Context

This part belongs to the HC109 family of J-K flip-flops from Texas Instruments. It shares functional characteristics with other members of the series but differs in packaging and qualification standards. The 'SN' prefix indicates a military-grade device, while 'J' specifies the ceramic dual-in-line package. This classification ensures compliance with stringent environmental testing protocols required for specialized industrial and defense electronics.

Flip Flops Replacement Considerations

Direct substitutes include the SN54HC109J for commercial-grade equivalents. Verify pin compatibility and electrical specifications before substitution. Alternative packages such as SOIC or TSSOP may require adapter considerations. Consult the manufacturer's cross-reference guide for updated versions or enhanced performance variants.