Texas Instruments

SN74HC109DRG4  

Flip Flops

SN74HC109DRG4 Description

The SN74HC109DRG4 is a dual JK-type flip-flop integrated circuit (IC) designed by Texas Instruments, featuring a 16-pin SOIC package. This IC is part of the 74HC series, known for its high-speed performance and compatibility with CMOS and TTL logic levels. The SN74HC109DRG4 offers two independent flip-flops, each capable of storing a single bit of data. It operates with a supply voltage ranging from 2V to 6V and has a maximum clock frequency of 60 MHz, ensuring fast and reliable data processing.

SN74HC109DRG4 Features

• High-Speed Operation: With a maximum clock frequency of 60 MHz, the SN74HC109DRG4 ensures rapid data processing, making it suitable for high-speed digital applications.
• Complementary Outputs: The flip-flops provide complementary outputs, which can be useful for applications requiring both true and inverted signals.
• Positive Edge Triggering: The flip-flops are triggered on the positive edge of the clock signal, simplifying timing and synchronization in digital circuits.
• Low Power Consumption: The IC has a quiescent current of only 4 µA, making it energy-efficient and suitable for battery-powered or low-power applications.
• Wide Supply Voltage Range: The 2V to 6V supply voltage range provides flexibility in power supply options and compatibility with various power sources.
• Low Propagation Delay: The maximum propagation delay is 30ns at 6V and 50pF, ensuring minimal delay in signal processing.
• High Output Current: The flip-flops can source and sink up to 5.2mA, providing robust output drive capabilities.
• Compliance and Safety: The SN74HC109DRG4 is REACH unaffected and RoHS3 compliant, ensuring environmental and safety standards are met. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

SN74HC109DRG4 Applications

The SN74HC109DRG4 is ideal for applications requiring high-speed data processing and reliable storage of digital information. Some specific use cases include:

• Digital Counters: The JK-type flip-flops can be used to build binary counters, providing sequential output states.
• Frequency Dividers: The flip-flops can divide input clock frequencies, useful in clock management and signal processing applications.
• Data Storage and Latching: The ability to store a single bit of data per flip-flop makes it suitable for temporary data storage and latching applications.
• Synchronization Circuits: The positive edge triggering and complementary outputs are beneficial for synchronizing signals in digital systems.
• Sequential Logic Circuits: The flip-flops can be used to build more complex sequential logic circuits, such as state machines and shift registers.

Conclusion of SN74HC109DRG4

The SN74HC109DRG4 is a versatile and high-performance dual JK-type flip-flop IC, offering a combination of speed, low power consumption, and robust output capabilities. Its wide supply voltage range and compliance with environmental standards make it suitable for a variety of applications. Despite being marked as obsolete, the SN74HC109DRG4 remains a reliable choice for engineers and designers looking for a high-speed, low-power flip-flop solution.

SN74HC109DRG4 Documents

Download datasheets and manufacturer documentation for SN74HC109DRG4

Datasheets :

SN54HC109, SN74HC109      

PCN Obsolescence/ EOL :

Mult Dev OBS 23/Dec/2021      

HTML Datasheet :

SN54HC109, SN74HC109      

PCN Design/Specification :

Mult Dev DS Rev 22/Jul/2022