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7201LA80DB

7201LA80DB Description

The 7201LA80DB is an asynchronous FIFO memory IC designed by Renesas Electronics Corporation. This device is part of the 7200 series and is housed in a 28-pin C-DIP package. It features a memory size of 4.5K (512 x 9) and operates with a supply voltage ranging from 4.5 V to 5.5 V. The maximum supply current is 100mA, ensuring efficient power usage. The 7201LA80DB supports a data rate of 10MHz, making it suitable for high-speed data transfer applications.

7201LA80DB Features

• Asynchronous Functionality: The 7201LA80DB operates asynchronously, allowing for flexible data transfer between systems with different clock rates.
• Retransmit Capability: This feature enables the device to retransmit data, enhancing reliability in noisy environments or during data transfer interruptions.
• Depth and Width Expansion: The FIFO supports both depth and width expansion, providing flexibility in system design and the ability to scale memory capacity.
• Moisture Sensitivity Level (MSL) 1: The device is classified as MSL 1, indicating it is not moisture-sensitive and can be stored for an unlimited period without special handling.
• Obsolete Product Status: While the 7201LA80DB is now obsolete, it remains a viable option for legacy systems and applications where its specific features are required.
• Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and is well-suited for applications requiring high reliability and durability.

7201LA80DB Applications

The 7201LA80DB is ideal for applications requiring high-speed, asynchronous data transfer and storage. Its asynchronous functionality makes it suitable for bridging data between systems with different clock rates, ensuring seamless data flow. The retransmit capability enhances reliability in environments prone to data corruption or loss. The device's ability to expand both in depth and width allows for flexible system design, accommodating varying memory requirements.

Specific use cases include:

• Data Buffering: In systems where data needs to be temporarily stored and retrieved at different rates, such as in communication interfaces or between processing stages.
• Industrial Automation: For applications requiring robust and reliable data transfer, such as in PLCs (Programmable Logic Controllers) or industrial control systems.
• Telecommunications: In equipment where asynchronous data handling is crucial, such as in modems or network interface cards.
• Legacy Systems: For maintaining and upgrading older systems where the 7201LA80DB's specific features are integral to the system's operation.

Conclusion of 7201LA80DB

The 7201LA80DB, despite being an obsolete product, remains a valuable component for specific applications requiring its unique features. Its asynchronous operation, retransmit capability, and expansion options make it a reliable choice for data buffering and transfer tasks. While newer alternatives may exist, the 7201LA80DB continues to serve well in legacy systems and applications where its specific attributes are essential. For engineers and designers working with existing systems or requiring a robust FIFO memory solution, the 7201LA80DB offers a proven and reliable option.