Texas Instruments

SN74ACT7804-20DLR

SN74ACT7804-20DLR Description

The SN74ACT7804-20DLR is an asynchronous FIFO memory IC designed by Texas Instruments, featuring a 9K (512 x 18) memory size. This FIFO is housed in a 56-lead SSOP package, making it suitable for surface mount applications. The device operates within a supply voltage range of 4.5 V to 5.5 V and is capable of supporting a data rate of up to 50 MHz. It has an access time of 15 ns, ensuring fast data retrieval and processing. The SN74ACT7804-20DLR is designed to operate within a temperature range of 0°C to 70°C, making it suitable for a variety of industrial and commercial applications. This FIFO also supports programmable flags, which can be useful for managing data flow and preventing overflow or underflow conditions.

SN74ACT7804-20DLR Features

• Asynchronous Operation: The SN74ACT7804-20DLR operates asynchronously, allowing for flexible data handling without the need for a common clock signal between the input and output ports.
• Programmable Flags: This feature enables users to set custom flag levels, providing enhanced control over data flow and improving system reliability.
• Low Power Consumption: With a maximum supply current of 400µA, the SN74ACT7804-20DLR is energy-efficient, making it suitable for applications where power consumption is a critical factor.
• Wide Operating Voltage Range: The device operates within a voltage range of 4.5 V to 5.5 V, providing flexibility in power supply requirements.
• Fast Access Time: The 15 ns access time ensures rapid data retrieval, making the SN74ACT7804-20DLR suitable for high-speed data processing applications.
• Surface Mount Package: The 56-lead SSOP package is ideal for surface mount applications, allowing for compact and reliable integration into modern electronic systems.
• Compliance and Reliability: The SN74ACT7804-20DLR is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage under standard conditions.

SN74ACT7804-20DLR Applications

The SN74ACT7804-20DLR is well-suited for a variety of applications where asynchronous data buffering and high-speed data processing are required. Some specific use cases include:

• Data Communication Systems: The FIFO can be used to buffer data in communication systems, ensuring smooth data transfer between devices operating at different speeds.
• Industrial Automation: In industrial environments, the SN74ACT7804-20DLR can manage data flow between sensors, controllers, and actuators, improving system efficiency and reliability.
• Medical Equipment: The device can be used in medical imaging and diagnostic equipment where fast and reliable data processing is crucial.
• Consumer Electronics: The SN74ACT7804-20DLR can be integrated into consumer electronics such as printers, scanners, and digital cameras to enhance data handling capabilities.

Conclusion of SN74ACT7804-20DLR

The SN74ACT7804-20DLR, despite being an obsolete product, remains a valuable component for applications requiring asynchronous FIFO memory with fast access times and programmable flags. Its low power consumption, wide operating voltage range, and compliance with environmental standards make it a reliable choice for various industrial and commercial applications. While newer alternatives may offer additional features, the SN74ACT7804-20DLR continues to provide robust performance and reliability, making it an ideal choice for systems where these attributes are paramount.