Texas Instruments

CD74AC174E

CD74AC174E Description

The CD74AC174E from Texas Instruments is a high-performance 6-bit D-type flip-flop with a master reset function, designed for robust digital logic applications. Housed in a 16-pin DIP package, this IC operates within a 1.5V to 5.5V supply range, making it versatile for both low-voltage and standard 5V systems. With a 95 MHz clock frequency and a max propagation delay of 18.9ns @ 5V, 50pF, it delivers high-speed performance suitable for timing-critical designs. The device is RoHS3 compliant and features REACH unaffected status, ensuring environmental and regulatory compliance.

CD74AC174E Features

• High-Speed Operation: Supports clock frequencies up to 95 MHz with minimal propagation delay.
• Wide Voltage Range: Operates from 1.5V to 5.5V, enabling compatibility with mixed-voltage systems.
• Master Reset Function: Synchronous reset capability for controlled initialization.
• Balanced Output Drive: 24mA source/sink current ensures strong signal integrity.
• Low Power Consumption: 8 µA quiescent current (Iq) minimizes energy usage.
• Robust Packaging: Through-hole DIP mounting for reliable prototyping and production.
• Low Input Capacitance: 10 pF reduces loading effects on preceding stages.

CD74AC174E Applications

The CD74AC174E excels in applications requiring high-speed data storage and synchronization, such as:

• Digital Registers: For temporary data storage in microprocessors or DSP systems.
• Clock Distribution Networks: Ensures precise timing in multi-clock domain designs.
• State Machines: Ideal for sequential logic implementations in control systems.
• Communication Interfaces: Used in buffering and signal conditioning for serial/parallel data transmission.
• Industrial Automation: Reliable performance in harsh environments due to its robust design.

Conclusion of CD74AC174E

The CD74AC174E stands out for its speed, versatility, and reliability, making it a preferred choice for engineers designing high-performance digital systems. Its wide voltage range, low power consumption, and strong output drive provide significant advantages over comparable flip-flops, particularly in mixed-voltage or power-sensitive applications. Whether for prototyping or mass production, this IC delivers consistent performance in timing-critical and data-intensive scenarios.