Texas Instruments

SN74AC74DE4

SN74AC74DE4 Description

The SN74AC74DE4 is a high-performance dual D-type flip-flop integrated circuit (IC) designed by Texas Instruments. It is part of the 74AC series, known for its superior speed and low power consumption. This IC features two independent D-type flip-flops, each capable of storing a single bit of data. The device operates within a wide supply voltage range of 2V to 6V, making it versatile for various applications. It has a maximum clock frequency of 160 MHz, ensuring high-speed data processing. The flip-flops are triggered on the positive edge of the clock signal, providing reliable and precise data latching. The SN74AC74DE4 also includes set (preset) and reset functions, allowing for flexible control over the flip-flop states. The output type is complementary, offering both true and complement outputs. The IC is designed for surface mount applications, making it suitable for compact and high-density PCB designs.

SN74AC74DE4 Features

• High-Speed Operation: With a maximum clock frequency of 160 MHz, the SN74AC74DE4 ensures fast data processing and storage.
• Low Power Consumption: The IC operates within a supply voltage range of 2V to 6V and has a low quiescent current of 2 µA, making it energy-efficient.
• Edge-Triggered Flip-Flops: The positive edge-triggered design ensures reliable data capture on each clock cycle.
• Set and Reset Functions: The inclusion of set (preset) and reset functions provides additional control over the flip-flop states.
• Complementary Outputs: The IC offers both true and complement outputs, providing flexibility in circuit design.
• Wide Input Capacitance: With an input capacitance of 3 pF, the SN74AC74DE4 can handle a variety of input signals without significant loading effects.
• High Output Current: The IC can source and sink up to 24mA, making it suitable for driving various loads.
• Moisture Sensitivity Level 1: The device is classified as MSL 1, indicating it is not sensitive to moisture and can be stored indefinitely without special handling.
• Compliance: The SN74AC74DE4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

SN74AC74DE4 Applications

The SN74AC74DE4 is ideal for a wide range of applications due to its high-speed operation, low power consumption, and versatile control functions. Some specific use cases include:

• Digital Systems: The dual D-type flip-flops are perfect for digital systems requiring data storage and synchronization.
• Clock Management: The positive edge-triggered design makes it suitable for clock management and timing circuits.
• Sequential Logic Circuits: The set and reset functions allow for complex sequential logic designs, such as counters and state machines.
• Data Latching: The IC can be used for data latching in high-speed communication interfaces and memory systems.
• Automotive Electronics: The wide operating voltage range and low power consumption make it suitable for automotive applications where power efficiency and reliability are critical.
• Consumer Electronics: The compact surface mount package and high-speed performance make it ideal for consumer electronics requiring high-density PCB designs.

Conclusion of SN74AC74DE4

The SN74AC74DE4 is a versatile and high-performance dual D-type flip-flop IC from Texas Instruments. Its wide supply voltage range, high clock frequency, and low power consumption make it suitable for a variety of applications. The inclusion of set and reset functions, along with complementary outputs, provides additional flexibility in circuit design. The IC's compliance with environmental and safety standards ensures it meets industry requirements. Whether used in digital systems, clock management, or data latching applications, the SN74AC74DE4 offers reliable performance and energy efficiency, making it a valuable component in modern electronics design.