Texas Instruments

SN74HC109D

SN74HC109D Description

The SN74HC109D is a dual JK flip-flop logic IC chip, part of the 74HC series, manufactured by Texas Instruments. This device is designed to provide high performance and reliability in digital circuits. It features a clock frequency of up to 60 MHz, ensuring fast and efficient operation. The SN74HC109D operates with a supply voltage ranging from 2V to 6V, making it suitable for a variety of power supply configurations. The flip-flops are triggered on the positive edge of the clock signal, providing precise timing control. Each flip-flop offers complementary outputs, which can be useful for various digital logic applications.

SN74HC109D Features

• High-Speed Operation: With a maximum clock frequency of 60 MHz, the SN74HC109D ensures rapid signal processing and data handling.
• Low Power Consumption: The device has a quiescent current of only 4 µA, making it energy-efficient and suitable for low-power applications.
• Wide Supply Voltage Range: The SN74HC109D operates reliably within a supply voltage range of 2V to 6V, providing flexibility in power supply design.
• Complementary Outputs: Each flip-flop provides both true and complement outputs, enhancing the versatility of the device in digital circuits.
• Positive Edge Triggering: The flip-flops are triggered on the positive edge of the clock signal, ensuring precise timing and synchronization.
• High Output Current Capability: The device can source and sink up to 5.2 mA, making it capable of driving various types of loads.
• Low Input Capacitance: With an input capacitance of only 3 pF, the SN74HC109D minimizes the load on driving circuits, improving overall system performance.
• Compliance and Reliability: The SN74HC109D is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage life under standard conditions.
• Surface Mount Package: The device is available in a surface mount package, facilitating easy integration into modern PCB designs.

SN74HC109D Applications

The SN74HC109D is ideal for a wide range of digital circuit applications, including:

• Digital Counters: The dual JK flip-flops can be used to build binary counters and frequency dividers.
• Sequential Logic Circuits: The device is well-suited for designing state machines and other sequential logic applications.
• Data Storage and Transfer: The flip-flops can store and transfer data bits in digital systems.
• Clock and Timing Circuits: The positive edge triggering feature makes it suitable for clock and timing control applications.
• Control Logic: The SN74HC109D can be used in control logic circuits for various electronic systems.

Conclusion of SN74HC109D

The SN74HC109D from Texas Instruments is a robust and versatile dual JK flip-flop IC, offering high-speed operation, low power consumption, and a wide supply voltage range. Its complementary outputs, positive edge triggering, and high output current capability make it a reliable choice for a variety of digital applications. The device's compliance with environmental and regulatory standards, along with its surface mount package, ensures ease of integration and long-term reliability. The SN74HC109D is an excellent choice for engineers and designers looking for a high-performance, low-power solution for their digital circuit needs.