74LVC109D,118

Overview

The 74LVC109D,118 is a dual JK flip-flop integrated circuit manufactured by NXP USA Inc. It operates within a supply voltage range of 1.65V to 3.6V and features low quiescent current of 10 µA. The device supports clock frequencies up to 150MHz with propagation delay characteristics typical for the series. It utilizes a 16-SOIC surface-mount package and functions as a pin-compatible replacement for 74HC/HCT109 devices. The component includes set (preset) and clear functions, ensuring reliable data storage in digital logic applications.

Feature Summary

• Dual JK flip-flop architecture with set and clear functionality
• Low-voltage CMOS technology compatible with 74HC/HCT standards
• High-speed operation supporting clock frequencies up to 150MHz

Applications

• Digital state storage and memory elements
• Synchronous logic circuits requiring dual flip-flops
• Frequency division and counter circuits

Procurement Notes

Verify the specific suffix '118' corresponds to the 16-SOIC package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the operating temperature range of -40°C to 125°C aligns with the target application environment requirements.

Selection Notes

Select this component for designs requiring dual JK flip-flops in low-voltage environments. It serves as a direct functional equivalent to 74HC/HCT109 parts, facilitating design upgrades or replacements. Consider the 16-SOIC package constraints for PCB layout and thermal management during selection.

Part Context

This part belongs to the 74LVC series of low-voltage CMOS logic devices. It provides enhanced performance over standard TTL levels while maintaining backward compatibility with existing 74HC/HCT designs. The series is widely used in consumer electronics and industrial control systems requiring reliable digital logic processing.

Replacement Considerations

The 74LVC109PW,118 is an alternative package variant available from Nexperia. Verify pinout compatibility before substitution. No other direct substitutes are confirmed in public documentation.