Texas Instruments

SN74ABT7820-25PH

SN74ABT7820-25PH Description

The SN74ABT7820-25PH is an asynchronous FIFO memory IC designed by Texas Instruments, featuring a memory size of 18K (512 x 18 x 2). This device is housed in an 80QFP package and is suitable for surface-mount applications. It operates within a supply voltage range of 4.5 V to 5.5 V and has a maximum supply current of 95 mA. The SN74ABT7820-25PH offers an access time of 15 ns and supports a data rate of up to 40 MHz. It is classified under the 74ABT series and is REACH unaffected and ROHS3 compliant. The operating temperature range is from 0°C to 70°C, and it has a moisture sensitivity level (MSL) of 3 (168 hours). This product is currently marked as obsolete by the manufacturer.

SN74ABT7820-25PH Features

• Asynchronous Operation: The SN74ABT7820-25PH operates asynchronously, allowing for flexible data handling without the need for clock synchronization between the read and write operations.
• Programmable Flags Support: This feature enables the user to program various status flags, enhancing the control and monitoring capabilities of the FIFO.
• High Data Rate: With a data rate of 40 MHz, this FIFO is capable of handling high-speed data transfers, making it suitable for applications requiring rapid data processing.
• Low Access Time: The 15 ns access time ensures quick data retrieval, contributing to efficient system performance.
• Robust Power Supply: The device operates within a voltage range of 4.5 V to 5.5 V, providing flexibility in power supply options.
• Compliance and Safety: The SN74ABT7820-25PH is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the device is suitable for a variety of manufacturing environments.

SN74ABT7820-25PH Applications

The SN74ABT7820-25PH is ideal for applications requiring high-speed data buffering and asynchronous data handling. Key use cases include:

• Telecommunications: Used in buffering data between different communication protocols and systems, ensuring smooth data flow and reducing latency.
• Data Processing Systems: Ideal for applications where data needs to be temporarily stored and retrieved at different rates, such as in high-speed data acquisition systems.
• Networking Equipment: Enhances the performance of routers, switches, and other networking devices by providing efficient data buffering.
• Industrial Automation: Suitable for industrial control systems where data integrity and quick access are critical.

Conclusion of SN74ABT7820-25PH

The SN74ABT7820-25PH is a versatile asynchronous FIFO memory IC that offers high-speed data handling and programmable flag support. Its robust power supply range, low access time, and compliance with environmental standards make it a reliable choice for various applications. Despite being marked as obsolete, the SN74ABT7820-25PH remains a valuable component for systems requiring efficient data buffering and asynchronous operation.