CD74HCT109MG4

Overview

The CD74HCT109MG4 is a dual J-K type flip-flop from the Texas Instruments HCT logic series, housed in a 16-pin SOP package. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of -55 °C to +125 °C. The device features single-ended inputs and differential outputs with a propagation delay of 40 ns. Output drive capabilities include a low-level current of 4 mA and a high-level current of -4 mA. Static current consumption is specified at 4 µA.

Feature Summary

• Dual J-K flip-flops with set and reset functionality
• CMOS technology compatible with TTL input levels
• Wide operating temperature range for industrial environments

Applications

• Digital state storage circuits
• Frequency division networks
• Shift register construction

Procurement Notes

Verify the specific suffix MG4 against official Texas Instruments documentation to confirm the exact package variant and manufacturing lot details. Ensure compatibility with system voltage requirements and thermal constraints before integration. Cross-reference datasheet revisions to validate parameter consistency.

Selection Notes

Select this component when dual independent J-K flip-flops are required within a standard CMOS logic family. The HCT series ensures compatibility with TTL-driven systems while maintaining CMOS power efficiency. Verify that the SOP-16 package fits the available PCB footprint and that the 40 ns delay meets timing specifications.

Part Context

This part belongs to the CD74HCT109 family of dual J-K flip-flops manufactured by Texas Instruments. It is designed for general-purpose digital applications requiring reliable state retention. The HCT designation indicates high-speed CMOS technology optimized for operation with standard 5 V TTL logic levels.

Replacement Considerations

Consult official substitution guides for equivalent parts such as the CD74HC109M96 or other HCT-series variants. Verify pinout compatibility and electrical characteristics before replacing.