Texas Instruments

SN74AC74N

SN74AC74N Description

The SN74AC74N from Texas Instruments is a dual D-type flip-flop integrated circuit designed for high-performance digital applications. Housed in a 14-pin DIP package, this device operates within a 2V to 6V supply range, making it versatile for both low-voltage and standard logic-level designs. With a 160 MHz clock frequency and 10ns propagation delay (at 5V, 50pF), it delivers exceptional speed and reliability for synchronous data storage and transfer. The complementary outputs and positive-edge triggering ensure precise timing control, while its 24mA output drive capability supports robust signal integrity in demanding environments.

SN74AC74N Features

• High-Speed Operation: 160 MHz clock frequency ideal for fast digital systems.
• Low Power Consumption: Quiescent current of just 2 µA enhances energy efficiency.
• Wide Voltage Range: 2V to 6V compatibility suits mixed-voltage applications.
• Strong Output Drive: 24mA sink/source current for driving heavy loads.
• Dual Flip-Flop Design: Two independent 1-bit D-type flip-flops with set (preset) and reset functionality.
• Low Input Capacitance: 3 pF minimizes signal distortion in high-frequency circuits.
• Robust Packaging: Through-hole 14DIP for easy prototyping and repair.
• Compliance: ROHS3 and REACH compliant, ensuring environmental and regulatory adherence.

SN74AC74N Applications

The SN74AC74N excels in applications requiring high-speed data latching and synchronization, such as:

• Clock Distribution Networks: Ensures precise timing in microprocessors and FPGAs.
• Data Storage Systems: Buffers and registers in memory interfaces.
• Communication Equipment: Signal conditioning in serial/parallel converters.
• Industrial Control Systems: Reliable state retention in PLCs and motor controllers.
• Consumer Electronics: Used in displays, audio systems, and gaming hardware for glitch-free operation.

Conclusion of SN74AC74N

The SN74AC74N stands out for its speed, low power, and robust design, making it a top choice for engineers needing reliable flip-flops in high-performance circuits. Its dual-element architecture and wide voltage range offer flexibility, while TI’s quality assurance ensures long-term durability. Whether for prototyping or production, this IC delivers consistent performance in digital logic, communication, and control systems.