Texas Instruments

SN74AC74NS  

Flip Flops

SN74AC74NS Description

The SN74AC74NS is a dual D-type flip-flop integrated circuit (IC) designed by Texas Instruments, part of the 74AC series. This IC is optimized for high-speed performance with a clock frequency of up to 160 MHz, making it suitable for demanding digital applications. The device features a maximum propagation delay of 10 nanoseconds at 5V with a 50pF load, ensuring rapid signal processing and minimal latency.

The SN74AC74NS operates within a supply voltage range of 2V to 6V, providing flexibility in power supply requirements. It draws a quiescent current of just 2 µA, which is advantageous for low-power applications. Each flip-flop element within the IC has a single bit capacity and offers complementary outputs, enhancing signal integrity and versatility.

The device is designed for positive edge triggering, ensuring reliable and predictable operation. It also includes set (preset) and reset functions, providing additional control over the flip-flop state. The SN74AC74NS is packaged in a surface-mount 14SO package, making it suitable for compact and high-density PCB designs.

SN74AC74NS Features

• High-Speed Performance: With a clock frequency of up to 160 MHz and a propagation delay of 10ns at 5V, 50pF, the SN74AC74NS offers exceptional speed and responsiveness.
• Low Power Consumption: The IC draws a quiescent current of only 2 µA, making it ideal for applications where power efficiency is critical.
• Flexible Voltage Range: The device operates within a supply voltage range of 2V to 6V, providing flexibility in power supply requirements.
• Dual D-Type Flip-Flops: Each flip-flop element has a single bit capacity, and the IC includes two such elements, offering dual functionality in a single package.
• Complementary Outputs: The output type is complementary, ensuring high signal integrity and versatility.
• Set and Reset Functions: The SN74AC74NS includes set (preset) and reset functions, providing additional control over the flip-flop state.
• Surface-Mount Packaging: The 14SO package is suitable for compact and high-density PCB designs, making it ideal for modern electronics.
• ROHS3 Compliant: The device meets environmental standards, ensuring compliance with regulatory requirements.

SN74AC74NS Applications

The SN74AC74NS is ideal for a variety of digital applications that require high-speed, low-power, and reliable performance. Some specific use cases include:

• Digital Signal Processing: The high-speed performance and low propagation delay make it suitable for processing digital signals in real-time applications.
• Clock Management: The dual D-type flip-flops can be used for clock signal distribution and synchronization in complex digital systems.
• Data Latching: The set and reset functions, along with the complementary outputs, make it ideal for latching data in memory circuits.
• Sequential Logic Circuits: The device can be used to build sequential logic circuits, such as counters and shift registers, in various digital systems.
• Communication Systems: The high-speed and low-power characteristics make it suitable for use in communication systems where signal integrity and efficiency are crucial.

Conclusion of SN74AC74NS

The SN74AC74NS from Texas Instruments is a high-performance dual D-type flip-flop IC that offers a combination of speed, low power consumption, and reliability. Its high clock frequency, low propagation delay, and flexible voltage range make it suitable for a wide range of digital applications. The inclusion of set and reset functions, along with complementary outputs, provides additional control and versatility. The surface-mount packaging ensures compatibility with modern PCB designs, while the ROHS3 compliance ensures environmental responsibility. The SN74AC74NS is an excellent choice for engineers and designers looking for a reliable and efficient flip-flop solution in their digital systems.

SN74AC74NS Documents

Download datasheets and manufacturer documentation for SN74AC74NS

Datasheets :

SN54(74)AC74      

PCN Obsolescence/ EOL :

Mult Dev EOL 30/Aug/2023