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74HCT574DB,118

74HCT574DB,118 Description

The 74HCT574DB,118 is a high-speed, 8-bit D-type flip-flop designed for high-performance digital applications. Manufactured by Nexperia USA Inc., this logic IC chip is part of the 74HCT series, known for its compatibility with both 5V TTL and 3.3V CMOS logic levels. The device features a clock frequency of up to 76 MHz, ensuring fast data processing and synchronization. It operates within a supply voltage range of 4.5V to 5.5V, making it suitable for a variety of power supply configurations.

The 74HCT574DB,118 is designed to trigger on the positive edge of the clock signal, providing precise timing control for sequential logic operations. It has a maximum propagation delay of 33ns at 4.5V with a maximum capacitive load of 50pF, ensuring reliable data transfer and minimal latency. The device also boasts low quiescent current (8 µA) and balanced output current capabilities (6mA high and 6mA low), which contribute to its energy efficiency and robust performance.

74HCT574DB,118 Features

• High-Speed Operation: With a clock frequency of up to 76 MHz, the 74HCT574DB,118 is capable of handling high-speed data processing and synchronization tasks.
• Positive Edge Triggering: The device triggers on the positive edge of the clock signal, ensuring precise timing control and reliable operation in sequential logic applications.
• Wide Supply Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the 74HCT574DB,118 is compatible with a variety of power supply configurations.
• Low Propagation Delay: A maximum propagation delay of 33ns at 4.5V with a 50pF load ensures minimal latency and reliable data transfer.
• Low Quiescent Current: The device consumes only 8 µA in quiescent mode, making it energy-efficient and suitable for low-power applications.
• Balanced Output Current: With 6mA output current for both high and low states, the 74HCT574DB,118 provides robust performance and ensures reliable signal integrity.
• Moisture Sensitivity Level (MSL) 1: The device is classified as MSL 1 (unlimited), making it suitable for surface mount assembly without the need for special handling or storage conditions.
• Compliance: The 74HCT574DB,118 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.

74HCT574DB,118 Applications

The 74HCT574DB,118 is ideal for a wide range of digital applications where high-speed data processing and reliable synchronization are required. Some specific use cases include:

• Data Buffering: The device can be used to buffer data in high-speed communication interfaces, ensuring reliable data transfer and synchronization.
• Sequential Logic Circuits: The positive edge triggering and low propagation delay make it suitable for use in sequential logic circuits, such as counters and state machines.
• Memory Interfaces: The 8-bit flip-flop can be used in memory interfaces to store and transfer data between different system components.
• Digital Signal Processing: The high-speed operation and low latency make it suitable for digital signal processing applications, where precise timing and data handling are critical.
• Industrial Control Systems: The robust performance and wide supply voltage range make it suitable for use in industrial control systems, where reliability and compatibility with various power supplies are essential.

Conclusion of 74HCT574DB,118

The 74HCT574DB,118 is a versatile and high-performance D-type flip-flop that offers significant advantages over similar models. Its high-speed operation, low propagation delay, and balanced output current capabilities make it suitable for a wide range of digital applications. The device's compatibility with both 5V TTL and 3.3V CMOS logic levels, along with its low quiescent current and moisture sensitivity level classification, further enhance its appeal for various industrial and digital signal processing applications. Despite being marked as obsolete, the 74HCT574DB,118 remains a reliable choice for engineers and designers seeking a robust and efficient solution for their digital circuitry needs.