Texas Instruments

SN74ABT821ANT  

Flip Flops

SN74ABT821ANT Description

The SN74ABT821ANT is a single 10-bit D-type flip-flop designed by Texas Instruments, a leading manufacturer in the electronics industry. This flip-flop is part of the 74ABT series, known for its high-performance and reliability. The SN74ABT821ANT operates within a supply voltage range of 4.5V to 5.5V and features a clock frequency of 125 MHz, making it suitable for high-speed digital applications. It is triggered on the positive edge, ensuring precise timing control. Despite its obsolescence status, the SN74ABT821ANT remains a viable option for legacy systems and specific applications where its unique features are required.

SN74ABT821ANT Features

• Clock Frequency: The SN74ABT821ANT supports a clock frequency of up to 125 MHz, providing high-speed operation for demanding digital circuits.
• Trigger Type: It is designed to trigger on the positive edge, ensuring reliable and precise timing control.
• Supply Voltage: The flip-flop operates within a supply voltage range of 4.5V to 5.5V, offering flexibility in power supply requirements.
• Low Propagation Delay: With a maximum propagation delay of 6.2ns at 5V and 50pF, the SN74ABT821ANT ensures fast signal processing and minimal latency.
• High Current Capability: The flip-flop can handle an output current of 32mA for high levels and 64mA for low levels, making it suitable for driving multiple loads.
• Low Quiescent Current: The device consumes only 250 µA in quiescent mode, contributing to energy efficiency.
• Input Capacitance: The low input capacitance of 3.5 pF minimizes loading effects on driving circuits.
• Compliance and Safety: The SN74ABT821ANT is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the device is suitable for various environmental conditions without the need for special handling.
• Mounting Type: The through-hole mounting type provides robust mechanical stability and is ideal for applications requiring high reliability.

SN74ABT821ANT Applications

The SN74ABT821ANT is well-suited for a variety of applications where high-speed, reliable digital signal processing is required. Its high current capability and low propagation delay make it ideal for driving multiple loads and ensuring fast signal transitions. Specific use cases include:

• Digital Signal Processing: The high clock frequency and low propagation delay make it suitable for applications requiring fast data processing and transfer.
• Memory and Storage Systems: The flip-flop's ability to handle multiple loads and its high current capability make it ideal for driving memory and storage systems.
• Telecommunications: The SN74ABT821ANT can be used in high-speed communication systems where precise timing and signal integrity are critical.
• Industrial Control Systems: The robust through-hole mounting and high reliability make it suitable for industrial applications where durability and stability are paramount.

Conclusion of SN74ABT821ANT

The SN74ABT821ANT is a high-performance D-type flip-flop that offers a combination of speed, reliability, and flexibility. Despite its obsolescence status, its unique features and performance benefits make it a valuable component for specific applications and legacy systems. With a clock frequency of 125 MHz, low propagation delay, and high current capability, the SN74ABT821ANT ensures efficient and reliable digital signal processing. Its compliance with environmental and safety standards, along with its robust through-hole mounting, further enhances its suitability for demanding industrial and communication applications.

SN74ABT821ANT Documents

Download datasheets and manufacturer documentation for SN74ABT821ANT

Datasheets :

SN54/74ABT821/21A      

PCN Obsolescence/ EOL :

Multiple Devices 08/Apr/2015