Texas Instruments

SN74F74DR  

Flip Flops

SN74F74DR Description

The SN74F74DR is a dual D-type flip-flop integrated circuit (IC) designed for high-speed digital applications. Manufactured by Texas Instruments, this logic IC chip belongs to the 74F series and is housed in a 14-pin SOIC package. It features a clock frequency of 145 MHz, ensuring rapid data processing and synchronization. The SN74F74DR operates within a supply voltage range of 4.5V to 5.5V, making it suitable for standard 5V digital systems. It offers complementary outputs, which can be advantageous for driving various types of digital circuits. The flip-flops are triggered on the positive edge of the clock signal, providing precise timing control. Additionally, the SN74F74DR includes set (preset) and reset functions, allowing for flexible control over the state of the flip-flops. With a maximum propagation delay of 5.8ns at 5V and 50pF, this IC ensures minimal latency in signal transmission. It also boasts a low quiescent current of 16 mA, contributing to energy efficiency in power-sensitive applications.

SN74F74DR Features

• High-Speed Performance: With a clock frequency of 145 MHz, the SN74F74DR is capable of handling high-speed digital signals, making it ideal for applications requiring rapid data processing and synchronization.
• Complementary Outputs: The dual D-type flip-flops provide complementary outputs, which can be beneficial for driving various types of digital circuits, including those requiring both true and complement signals.
• Positive Edge Triggering: The flip-flops are triggered on the positive edge of the clock signal, ensuring precise timing control and synchronization with other digital components.
• Set and Reset Functions: The SN74F74DR includes set (preset) and reset functions, allowing for flexible control over the state of the flip-flops, which can be particularly useful in applications requiring initialization or state management.
• Low Propagation Delay: The maximum propagation delay of 5.8ns at 5V and 50pF ensures minimal latency in signal transmission, contributing to the overall performance of digital systems.
• Energy Efficiency: The low quiescent current of 16 mA makes the SN74F74DR suitable for applications where power consumption is a concern, such as battery-powered devices or systems with limited power budgets.
• Wide Operating Temperature Range: The operating temperature range of 0°C to 70°C (TA) makes the SN74F74DR suitable for a variety of environmental conditions, ensuring reliable performance in different operational scenarios.
• Compliance and Reliability: The SN74F74DR is REACH unaffected and RoHS3 compliant, ensuring that it meets environmental and regulatory standards. Additionally, its moisture sensitivity level (MSL) of 1 (unlimited) indicates high reliability and resistance to moisture-related issues.

SN74F74DR Applications

The SN74F74DR is well-suited for a variety of applications in the electronics industry, particularly those requiring high-speed digital signal processing and precise timing control. Some specific use cases include:

• Digital Clock Circuits: The high clock frequency and precise edge triggering make the SN74F74DR ideal for digital clock circuits, where accurate timing and synchronization are critical.
• Data Latching and Storage: The dual D-type flip-flops can be used for data latching and storage applications, ensuring reliable data retention and transfer in digital systems.
• State Machines and Sequential Logic: The set and reset functions, along with the complementary outputs, make the SN74F74DR suitable for implementing state machines and sequential logic circuits, which are essential components in many digital systems.
• Communication Systems: In communication systems, the SN74F74DR can be used for signal synchronization and data processing, ensuring reliable and efficient data transmission.
• Consumer Electronics: The SN74F74DR's energy efficiency and wide operating temperature range make it suitable for consumer electronics applications, such as smartphones, tablets, and other portable devices.

Conclusion of SN74F74DR

The SN74F74DR is a high-performance dual D-type flip-flop IC that offers a range of features and benefits suitable for various digital applications. Its high clock frequency, complementary outputs, positive edge triggering, and set/reset functions make it a versatile and reliable choice for digital signal processing and synchronization. The low propagation delay and quiescent current contribute to its high-speed performance and energy efficiency, making it ideal for power-sensitive applications. Compliance with environmental and regulatory standards, along with its wide operating temperature range, ensures the SN74F74DR's reliability and suitability for a variety of operational conditions. Overall, the SN74F74DR is an excellent choice for designers and engineers looking for a high-quality, high-speed digital IC for their projects.

SN74F74DR Documents

Download datasheets and manufacturer documentation for SN74F74DR

Datasheets :

SN54F74, SN74F74      

HTML Datasheet :

SN54F74, SN74F74      

PCN Design/Specification :

Design 25/Feb/2022