Texas Instruments

CD74HC74EE4

CD74HC74EE4 Description

The CD74HC74EE4 is a dual D-type flip-flop IC from Texas Instruments, designed for high-performance digital applications. This device features two independent D-type flip-flops, each capable of storing a single bit of data. It operates within a wide supply voltage range of 2V to 6V, making it suitable for various power supply configurations. The CD74HC74EE4 is housed in a through-hole 14DIP package, which is ideal for applications requiring robust mechanical stability and ease of integration on printed circuit boards.

CD74HC74EE4 Features

• Clock Frequency: Supports a maximum clock frequency of 35 MHz, ensuring fast data processing and synchronization.
• Output Type: Provides complementary outputs, which can be useful for driving differential signals or reducing the need for additional inverters.
• Trigger Type: Positive edge-triggered, which means it captures data on the rising edge of the clock signal, ensuring precise timing control.
• Set and Reset Functionality: Includes set (preset) and reset capabilities, allowing for direct control over the flip-flop states, which is essential for initializing or clearing data.
• Low Power Consumption: Features a quiescent current (Iq) of only 4 µA, making it energy-efficient and suitable for low-power applications.
• High Output Current: Capable of sourcing and sinking up to 5.2 mA, which is sufficient for driving various digital loads without additional buffering.
• Wide Operating Voltage Range: Operates from 2V to 6V, providing flexibility in power supply design.
• Low Propagation Delay: Maximum propagation delay of 34ns at 6V and 50pF, ensuring fast signal transmission and minimal latency.
• Compliance and Standards: REACH unaffected and ROHS3 compliant, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: Not applicable, indicating the device is not sensitive to moisture, which is beneficial for long-term reliability.

CD74HC74EE4 Applications

The CD74HC74EE4 is ideal for a variety of applications where reliable data storage and synchronization are required. Some specific use cases include:

• Digital Counters: Utilizing the flip-flops to create binary counters for timing and control applications.
• Registers: Storing and transferring data in digital systems, such as microcontrollers and CPUs.
• Synchronization Circuits: Ensuring data integrity by synchronizing signals between different clock domains.
• Memory Elements: Serving as basic building blocks for more complex memory systems.
• Control Logic: Implementing control signals in digital circuits, such as state machines and sequential logic.

Conclusion of CD74HC74EE4

The CD74HC74EE4 from Texas Instruments stands out as a versatile and high-performance dual D-type flip-flop IC. Its combination of a wide operating voltage range, low power consumption, and high output current makes it suitable for a broad range of digital applications. The positive edge-triggered operation and set/reset functionality provide precise control over data storage and manipulation. With its low propagation delay and compliance with environmental standards, the CD74HC74EE4 is an excellent choice for designers seeking reliability, efficiency, and performance in their digital circuits.