onsemi

74HC74DR2G

74HC74DR2G Description

The 74HC74DR2G is a dual D-type flip-flop IC, designed for high-speed digital applications. Manufactured by onsemi, this device is part of the 74HC series, known for its robust performance and reliability. The 74HC74DR2G features a clock frequency of up to 28 MHz, making it suitable for demanding digital circuits. It operates within a supply voltage range of 2V to 6V, providing flexibility in power supply requirements. The IC offers complementary outputs, ensuring versatile connectivity and signal integrity. With a positive edge trigger type, it ensures precise timing control, crucial for synchronous operations in digital systems.

74HC74DR2G Features

• High-Speed Operation: The 74HC74DR2G supports a clock frequency of up to 28 MHz, enabling it to handle high-speed digital signals efficiently.
• Complementary Outputs: This feature allows for both true and complement outputs, enhancing the flexibility of the IC in various digital circuits.
• Positive Edge Triggering: Ensures that the flip-flop captures data on the rising edge of the clock signal, providing precise timing control.
• Low Quiescent Current: With a quiescent current of only 2 µA, the 74HC74DR2G is energy-efficient, making it suitable for low-power applications.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 2V to 6V, offering flexibility in power supply requirements.
• Low Propagation Delay: A maximum propagation delay of 17 ns at 6V and 50 pF ensures fast signal transmission, crucial for high-speed applications.
• Surface Mount Packaging: The 74HC74DR2G is available in a surface mount package, facilitating easy integration into modern PCB designs.
• Moisture Sensitivity Level 1: The device is classified as MSL 1, indicating it is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• REACH Compliance: The 74HC74DR2G is REACH unaffected, ensuring compliance with environmental and health regulations.

74HC74DR2G Applications

The 74HC74DR2G is ideal for a variety of applications due to its high-speed operation, low power consumption, and versatile output capabilities. Some specific use cases include:

• Digital Clock Circuits: The positive edge triggering and high clock frequency make it suitable for generating precise clock signals in digital systems.
• Data Latching: The dual D-type flip-flops can be used to latch data in synchronous digital circuits, ensuring data integrity during transmission.
• Frequency Dividers: The device can be configured to divide input frequencies, useful in applications requiring lower frequency outputs.
• Edge Detection Circuits: The positive edge triggering feature allows the 74HC74DR2G to be used in edge detection circuits, capturing and processing signal transitions accurately.
• Memory Elements: The flip-flops can serve as memory elements in digital circuits, storing single bits of data.

Conclusion of 74HC74DR2G

The 74HC74DR2G is a versatile dual D-type flip-flop IC, offering high-speed operation, low power consumption, and complementary outputs. Its positive edge triggering and wide supply voltage range make it suitable for a variety of digital applications. Despite being marked as obsolete, the 74HC74DR2G remains a reliable choice for engineers and designers looking for a robust and efficient flip-flop solution. Its compliance with REACH regulations and moisture sensitivity level 1 classification further enhance its suitability for diverse environments. For applications requiring precise timing control and high-speed data processing, the 74HC74DR2G is an excellent choice.