Texas Instruments

CD74HC109E  

Flip Flops

CD74HC109E Description

The CD74HC109E is a dual JK flip-flop designed by Texas Instruments, featuring a high-speed CMOS technology that ensures low power consumption and high performance. This IC operates within a wide supply voltage range of 2V to 6V, making it suitable for various power supply configurations. It is designed to operate at a clock frequency of up to 60 MHz, providing fast and reliable switching capabilities. The CD74HC109E is housed in a through-hole package, specifically a tube, which is ideal for applications requiring robust mechanical stability and ease of installation on printed circuit boards.

CD74HC109E Features

• High-Speed Performance: The CD74HC109E supports a maximum clock frequency of 60 MHz, ensuring rapid data processing and synchronization in high-speed digital systems.
• Complementary Outputs: The flip-flop provides complementary outputs, which can be useful for driving differential signals or creating complex logic functions.
• Positive Edge Triggering: The flip-flop is triggered on the positive edge of the clock signal, providing precise control over data latching and timing.
• Low Power Consumption: With a quiescent current of only 4 µA, the CD74HC109E is highly energy-efficient, making it suitable for battery-operated and low-power applications.
• Wide Supply Voltage Range: The device operates within a 2V to 6V supply voltage range, offering flexibility in power supply design.
• High Output Current Capability: The CD74HC109E can source and sink up to 5.2 mA, allowing it to drive a variety of loads directly.
• Low Input Capacitance: The 10 pF input capacitance ensures minimal loading on the driving circuit, maintaining signal integrity and reducing propagation delay.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a maximum propagation delay of 31 ns at 6V and 50 pF, ensuring fast signal propagation.

CD74HC109E Applications

The CD74HC109E is ideal for a variety of applications due to its high-speed performance, low power consumption, and robust design. Some specific use cases include:

• Digital Signal Processing: The high clock frequency and complementary outputs make it suitable for processing and synchronizing digital signals in communication systems.
• Counter Circuits: The JK flip-flop configuration allows for easy implementation of binary counters and frequency dividers.
• Memory Elements: The set (preset) and reset functions enable the use of the CD74HC109E as a memory element in sequential logic circuits.
• Control Logic: The device can be used in control systems where precise timing and state management are required.
• Automotive and Industrial Applications: The through-hole package and wide operating voltage range make it suitable for harsh environments and applications requiring mechanical stability.

Conclusion of CD74HC109E

The CD74HC109E is a versatile and high-performance dual JK flip-flop that offers significant advantages over similar models. Its wide supply voltage range, low power consumption, and high-speed operation make it suitable for a variety of applications, from digital signal processing to control logic. The complementary outputs and positive edge triggering provide precise control and synchronization, while the low input capacitance and high output current capability ensure robust performance. With its compliance to environmental and safety standards, the CD74HC109E is a reliable choice for modern electronic designs.

CD74HC109E Documents

Download datasheets and manufacturer documentation for CD74HC109E

Datasheets :

CD54,74HC(T)109      

HTML Datasheet :

CD54,74HC(T)109      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013       Material Set 30/Mar/2017