The SN74ABT16821DLRG4 is a high-performance, 20-bit bus interface flip-flop designed by Texas Instruments. This integrated circuit is part of the ABT family, which is renowned for its advanced biCMOS technology, ensuring high-speed operation without sacrificing power efficiency. It is specifically crafted to provide a reliable interface between two buses or as a buffer memory for high-speed systems.

Key Features

• High-Speed Operation: The SN74ABT16821DLRG4 is capable of operating at high frequencies, making it suitable for systems that require rapid data transfer and processing.
• Low Power Consumption: Despite its high-speed capabilities, this device maintains low power dissipation, which is crucial for power-sensitive applications.
• 20-Bit Flip-Flops: The device includes 20 flip-flops, providing ample data handling capacity for complex operations and data storage.
• Output Enable (OE) Feature: This feature allows for better control of the output states, enabling the user to place the outputs in high-impedance mode, thus preventing bus contention.
• Clear (CLR) Input: A dedicated clear input allows for the synchronous reset of all flip-flops, ensuring a quick initialization or reset of the system when needed.

Applications

The SN74ABT16821DLRG4 is versatile and can be used in a variety of applications, including:

• Bus interfacing in microprocessor or microcontroller-based systems
• Buffer memory for high-speed data acquisition and processing
• Communication systems where data integrity and speed are critical
• Industrial control systems requiring robust and efficient data handling

Product Specifications

The SN74ABT16821DLRG4 comes in a 56-pin SSOP (Shrink Small-Outline Package) and operates over a broad temperature range. It is compatible with TTL (Transistor-Transistor Logic) and supports both 5V V<sub>CC operation. The device also features balanced propagation delays and transition times, which contribute to its reliable and consistent performance in demanding environments.

Quality and Reliability

As with all Texas Instruments products, the SN74ABT16821DLRG4 is manufactured to the highest quality standards, ensuring reliability and performance consistency. It is a testament to Texas Instruments' commitment to providing industry-leading solutions for digital interfacing and data management challenges.