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74AC821SPC

74AC821SPC Description

The 74AC821SPC is a single 10-bit D-type flip-flop IC designed for high-speed digital applications. Manufactured by Fairchild Semiconductor (now part of onsemi), this logic IC chip is part of the 74AC series, known for its robust performance and reliability. The 74AC821SPC operates within a supply voltage range of 2V to 6V, making it versatile for various power supply configurations. It features a clock frequency of up to 160 MHz, ensuring rapid data processing and synchronization in digital circuits.

74AC821SPC Features

• High-Speed Operation: With a clock frequency of 160 MHz, the 74AC821SPC is capable of handling high-speed data processing, making it suitable for applications requiring fast signal transitions.
• Low Propagation Delay: The maximum propagation delay is 9.5ns at 5V with a maximum load capacitance of 50pF. This low delay ensures minimal latency in signal transmission, enhancing the overall performance of digital systems.
• Low Quiescent Current: Consuming only 80 µA in quiescent mode, the 74AC821SPC is energy-efficient, which is beneficial for battery-operated and low-power applications.
• Positive Edge Triggering: The flip-flop is triggered on the positive edge of the clock signal, providing precise timing control and synchronization in digital circuits.
• Through Hole Mounting: The through-hole mounting type ensures secure and reliable installation on printed circuit boards, making it suitable for both prototyping and production environments.
• 10-Bit Data Handling: Each element of the 74AC821SPC can handle 10 bits of data, providing ample capacity for complex digital operations.
• Compliance and Standards: The 74AC821SPC is ROHS3 compliant, ensuring it meets environmental and safety standards. It is also classified under ECCN EAR99 and HTSUS 8542.39.0001, facilitating international trade and regulatory compliance.
• Package and Delivery: The IC is packaged in a tube, which protects the components during shipping and storage, reducing the risk of damage.

74AC821SPC Applications

The 74AC821SPC is ideal for a variety of applications where high-speed data processing and reliable performance are critical. Some specific use cases include:

• Digital Signal Processing: The high clock frequency and low propagation delay make it suitable for processing digital signals in real-time applications, such as communication systems and digital audio processing.
• Data Storage and Retrieval: The 10-bit data handling capability and positive edge triggering ensure accurate data storage and retrieval in memory systems and data buffers.
• Control Systems: The IC can be used in control systems where precise timing and synchronization are required, such as in industrial automation and robotics.
• Consumer Electronics: The low quiescent current and energy efficiency make it suitable for consumer electronics, including portable devices and home appliances.

Conclusion of 74AC821SPC

The 74AC821SPC is a high-performance D-type flip-flop IC that offers significant advantages over similar models. Its high-speed operation, low propagation delay, and low quiescent current make it an excellent choice for a wide range of digital applications. Despite being marked as obsolete, the 74AC821SPC remains a reliable and efficient solution for applications requiring robust digital processing and synchronization. Its compliance with industry standards and environmental regulations further enhances its suitability for modern electronic designs.