Texas Instruments

SN74ACT7808-40FN

SN74ACT7808-40FN Description

The SN74ACT7808-40FN is an asynchronous FIFO memory IC designed by Texas Instruments, featuring a 2K x 9 memory size and a 22ns access time. This device operates within a supply voltage range of 4.5V to 5.5V and supports a maximum supply current of 400µA. It is housed in a surface-mount package and is suitable for a wide range of applications requiring reliable data buffering and storage. The SN74ACT7808-40FN is classified under the 74ACT series and is available in a tube package. Despite being marked as obsolete, it remains a robust choice for specific legacy systems and new designs where its unique features are advantageous.

SN74ACT7808-40FN Features

• Asynchronous Operation: The SN74ACT7808-40FN operates asynchronously, allowing for flexible data handling without the need for a common clock signal. This feature is particularly beneficial in systems where clock synchronization is impractical or inefficient.
• Programmable Flags Support: This IC supports programmable flags, enabling users to configure custom flag settings for enhanced control over data flow and system status monitoring.
• Depth and Width Expansion: The device supports both depth and width expansion, providing flexibility in system design and allowing for the creation of larger memory configurations.
• Low Power Consumption: With a maximum supply current of 400µA, the SN74ACT7808-40FN is designed to minimize power consumption, making it suitable for power-sensitive applications.
• Wide Operating Temperature Range: The operating temperature range of 0°C to 70°C ensures reliable performance in a variety of environmental conditions.
• Compliance and Safety: The SN74ACT7808-40FN is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 3, allowing for safe handling and storage.

SN74ACT7808-40FN Applications

The SN74ACT7808-40FN is ideal for applications requiring efficient data buffering and asynchronous data transfer. Specific use cases include:

• Data Acquisition Systems: In systems where data is collected from various sensors and needs to be temporarily stored before processing, the SN74ACT7808-40FN provides reliable buffering.
• Communication Interfaces: For interfacing between different systems or components with varying clock speeds, the asynchronous FIFO ensures smooth data transfer without data loss.
• Industrial Automation: In industrial settings, where robust and reliable data handling is crucial, the SN74ACT7808-40FN can be used to manage data flow between controllers and peripheral devices.
• Legacy System Upgrades: Given its compatibility with older systems, the SN74ACT7808-40FN can be used to enhance the performance of existing setups without extensive redesign.

Conclusion of SN74ACT7808-40FN

The SN74ACT7808-40FN, despite being marked as obsolete, remains a valuable component for specific applications requiring asynchronous FIFO memory. Its low power consumption, programmable flags, and support for both depth and width expansion make it a versatile choice. The device's compliance with environmental and safety standards ensures its suitability for modern applications. For systems where asynchronous data handling and reliable buffering are critical, the SN74ACT7808-40FN offers a robust and efficient solution.