SNJ54HC109W

Flip Flops Overview

The SNJ54HC109W is a dual J-K flip-flop from Texas Instruments' HC series, housed in a 16-lead ceramic flatpack (CDFP) package. It operates on a supply voltage range of 2 V to 6 V with a maximum input current of 1 µA. The device features high-current outputs capable of driving up to 10 LSTTL loads and includes complementary outputs. It supports negative edge triggering with clear and preset functions, ensuring reliable data storage in military-grade environments.

Flip Flops Feature Summary

• Dual independent J-K flip-flops with negative edge triggering
• Complementary output configuration for versatile logic interfacing
• High noise immunity and low power consumption characteristics
• Military-grade reliability with extended temperature tolerance

Flip Flops Applications

• Military aerospace digital systems requiring radiation hardness
• Industrial control logic involving state machine implementations
• Data storage circuits utilizing parallel-in parallel-out configurations
• Timing and sequencing applications in harsh environmental conditions

Flip Flops Procurement Notes

Verify the specific suffix 'W' indicates the ceramic flatpack package variant when sourcing. Confirm that the component meets MIL-SPEC requirements if intended for defense applications. Check datasheet revisions for any updates regarding pin compatibility or electrical limits. Ensure proper handling procedures are followed due to the ceramic construction and potential sensitivity to mechanical stress during installation.

Flip Flops Selection Notes

Select this component when dual J-K functionality with complementary outputs is required in a ruggedized environment. The HC series offers superior speed and power efficiency compared to older TTL families. Consider the 16-lead CDFP package for applications demanding high thermal stability and physical durability. Evaluate the 2 V to 6 V operating range against system power constraints to ensure optimal performance margins.

Flip Flops Part Context

This part belongs to Texas Instruments' SNJ54HC family, designed for high-reliability applications. The 'SNJ' prefix typically denotes military-grade qualification, while 'HC' indicates High-speed CMOS technology. The 'W' suffix specifies the ceramic flatpack packaging style. This family provides robust performance for critical systems where standard commercial components may not suffice.

Flip Flops Replacement Considerations

Direct substitutes include other SNJ54HC109 variants with compatible pinouts. Verify package dimensions and thermal characteristics when replacing. Ensure equivalent electrical parameters such as propagation delay and output drive strength are maintained. Cross-reference with manufacturer cross-reference guides for qualified alternatives.