Texas Instruments

SN74HC74DRE4

SN74HC74DRE4 Description

The SN74HC74DRE4 is a dual D-type flip-flop integrated circuit (IC) designed by Texas Instruments. This device is part of the 74HC series, known for its high-speed CMOS technology, offering robust performance and reliability. The SN74HC74DRE4 features two independent D-type flip-flops, each capable of storing a single bit of data. It operates within a supply voltage range of 2V to 6V, making it versatile for various power supply configurations. The clock frequency of 60 MHz ensures high-speed operation, suitable for demanding digital applications.

SN74HC74DRE4 Features

• High-Speed Operation: With a clock frequency of up to 60 MHz, the SN74HC74DRE4 is capable of handling high-speed digital signals, making it ideal for applications requiring rapid data processing.
• Complementary Outputs: The flip-flops provide complementary outputs, which can be useful for driving differential signals or creating more complex logic functions.
• Positive Edge Triggering: The flip-flops are triggered on the positive edge of the clock signal, ensuring precise timing and synchronization.
• Set and Reset Functionality: The IC includes set (preset) and reset functions, allowing for easy initialization and control of the stored data.
• Low Power Consumption: The SN74HC74DRE4 has a quiescent current of only 4 µA, making it energy-efficient and suitable for battery-powered or low-power applications.
• High Output Current: The device can source and sink up to 5.2 mA, providing sufficient drive capability for various digital loads.
• Wide Operating Voltage Range: The 2V to 6V supply voltage range offers flexibility in power supply design, accommodating a variety of system requirements.
• Moisture Sensitivity Level 1: The MSL 1 (Unlimited) rating indicates that the device is not sensitive to moisture, reducing the risk of damage during handling and storage.
• plianceCom: The SN74HC74DRE4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

SN74HC74DRE4 Applications

The SN74HC74DRE4 is well-suited for a variety of digital applications, including:

• Digital Signal Processing: The high-speed operation and precise timing make it ideal for processing digital signals in communication systems, data acquisition, and control systems.
• Memory and Storage: The set and reset functions allow for easy initialization and control of stored data, making it suitable for memory and storage applications.
• Clock and Timing Circuits: The positive edge triggering and complementary outputs are useful for creating clock and timing circuits, ensuring accurate synchronization.
• Control Logic: The dual flip-flops can be used to implement complex control logic, providing reliable and efficient control signals for various digital systems.
• Consumer Electronics: The low power consumption and wide operating voltage range make it suitable for consumer electronics, where energy efficiency and flexibility are critical.

Conclusion of SN74HC74DRE4

The SN74HC74DRE4 is a versatile and reliable dual D-type flip-flop IC that offers high-speed operation, low power consumption, and a wide operating voltage range. Its set and reset functions, complementary outputs, and positive edge triggering provide precise control and synchronization, making it suitable for a variety of digital applications. While the product is now obsolete, its unique features and performance benefits make it a valuable component for legacy systems and specific use cases. For new designs, engineers may consider exploring alternative models from Texas Instruments or other manufacturers that offer similar or enhanced capabilities.