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71321LA55TF

71321LA55TF Description

The 71321LA55TF is a 16Kbit SRAM memory IC chip, designed by Renesas Electronics Corporation, featuring a parallel memory interface and a 2K x 8 memory organization. This surface-mount device operates within a temperature range of 0°C to 70°C (TA) and is powered by a supply voltage of 4.5V to 5.5V. The chip offers an access time of 55 ns and a write cycle time of 55 ns, ensuring fast data retrieval and storage capabilities. The 71321LA55TF is packaged in a 64TQFP format and is categorized under Memory IC Chips. Although the product is now obsolete, it remains a notable option for applications requiring reliable volatile memory solutions.

71321LA55TF Features

• Memory Type and Size: The 71321LA55TF is a volatile SRAM memory chip with a total memory size of 16Kbit, organized as 2K x 8. This configuration provides a balance between memory capacity and data width, making it suitable for a variety of embedded systems and microcontroller applications.
• Fast Access and Write Cycle Times: With an access time of 55 ns and a write cycle time of 55 ns, the 71321LA55TF ensures rapid data read and write operations. This high-speed performance is crucial for real-time systems and applications requiring quick data processing.
• Operating Temperature Range: The chip operates within a temperature range of 0°C to 70°C (TA), making it suitable for use in a wide range of environmental conditions, from typical office environments to industrial settings.
• Supply Voltage: The 71321LA55TF operates on a supply voltage of 4.5V to 5.5V, providing flexibility in power supply design and ensuring compatibility with various power sources.
• Parallel Memory Interface: The parallel memory interface allows for efficient data transfer and integration with other components in a system, facilitating straightforward communication and control.
• Surface Mount Technology: The surface-mount package type enables easy integration into compact and high-density PCB designs, making it ideal for modern electronics where space is a premium.
• Moisture Sensitivity Level: With a moisture sensitivity level (MSL) of 3 (168 hours), the 71321LA55TF is designed to withstand typical manufacturing processes, ensuring reliability and longevity in production environments.

71321LA55TF Applications

The 71321LA55TF is well-suited for a variety of applications where reliable and fast volatile memory is required. Some specific use cases include:

• Embedded Systems: Ideal for use in embedded systems where quick data access and storage are critical. The fast access and write cycle times ensure efficient operation in real-time applications.
• Microcontroller Applications: The parallel memory interface and 2K x 8 organization make it a suitable companion for microcontrollers, providing additional memory for program storage and data processing.
• Industrial Control Systems: The wide operating temperature range and robust design make the 71321LA55TF suitable for industrial control systems, where reliability and performance are paramount.
• Consumer Electronics: The compact surface-mount package and fast performance make it a good fit for consumer electronics, where space constraints and speed are important considerations.

Conclusion of 71321LA55TF

The 71321LA55TF, despite being obsolete, remains a reliable and high-performance SRAM memory IC chip. Its fast access and write cycle times, combined with a robust operating temperature range and efficient parallel memory interface, make it a valuable component for a variety of applications. While newer alternatives may be available, the 71321LA55TF continues to offer a proven solution for systems requiring reliable volatile memory.