Analog Devices Inc./Maxim Integrated

DS1321E+  

Memory Controllers

DS1321E+ Description

The DS1321E+ is a high-performance, nonvolatile RAM controller IC designed for applications requiring reliable data storage and timekeeping. Manufactured by Analog Devices Inc./Maxim Integrated, this memory IC chip is part of the DS1321 family and offers a robust set of features tailored for various industrial and consumer electronics applications. The DS1321E+ is packaged in a 20-TSSOP tube, ensuring ease of integration and surface mount compatibility. It operates within a supply voltage range of 4.75V to 5.5V, making it suitable for systems with standard 5V power supplies. The device is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1 (unlimited), the DS1321E+ is highly resistant to moisture, ensuring long-term reliability in various environmental conditions.

DS1321E+ Features

The DS1321E+ boasts several unique features that set it apart from similar memory IC chips:

• Nonvolatile RAM: The DS1321E+ integrates nonvolatile RAM, allowing data to be retained even when power is lost. This feature is crucial for applications requiring persistent data storage without the need for a backup battery.
• Battery Backup Monitoring: The IC includes built-in battery backup monitoring, ensuring that critical data remains secure during power failures. This feature enhances system reliability and reduces the risk of data loss.
• Wide Operating Voltage Range: The DS1321E+ operates within a supply voltage range of 4.75V to 5.5V, making it compatible with a wide range of power supply systems. This flexibility ensures that the IC can be easily integrated into various electronic designs.
• Surface Mount Compatibility: The DS1321E+ is designed for surface mount technology (SMT), facilitating automated assembly processes and reducing production costs. The 20-TSSOP package also ensures a compact footprint, ideal for space-constrained applications.
• Environmental Compliance: The DS1321E+ is REACH unaffected and ROHS3 compliant, meeting the highest environmental and safety standards. This compliance ensures that the IC is suitable for use in a wide range of industries, including automotive, medical, and consumer electronics.
• Moisture Resistance: With an MSL of 1 (unlimited), the DS1321E+ is highly resistant to moisture, making it ideal for applications in humid or damp environments.

DS1321E+ Applications

The DS1321E+ is well-suited for a variety of applications where reliable data storage and timekeeping are essential:

• Industrial Control Systems: The DS1321E+ can be used in industrial control systems to store critical configuration data and time-stamped logs. Its nonvolatile RAM ensures that this data remains intact even during power outages.
• Medical Devices: In medical devices, the DS1321E+ can store patient data and device logs, ensuring that critical information is not lost during power failures. The IC's environmental compliance also makes it suitable for use in medical environments.
• Consumer Electronics: The DS1321E+ can be integrated into consumer electronics, such as smart meters and home automation systems, to provide reliable data storage and timekeeping. Its compact size and surface mount compatibility make it ideal for these applications.
• Automotive Systems: The DS1321E+ can be used in automotive systems to store diagnostic data and time-stamped logs. Its moisture resistance and environmental compliance ensure that it can withstand the harsh conditions often found in automotive environments.

Conclusion of DS1321E+

The DS1321E+ is a versatile and reliable nonvolatile RAM controller IC that offers a wide range of features and benefits. Its unique combination of nonvolatile RAM, battery backup monitoring, and wide operating voltage range make it an ideal choice for applications requiring persistent data storage and timekeeping. The IC's surface mount compatibility, environmental compliance, and moisture resistance further enhance its suitability for various industrial and consumer electronics applications. With its robust performance and high reliability, the DS1321E+ is a valuable addition to any system requiring secure and persistent data storage.

DS1321E+ Documents

Download datasheets and manufacturer documentation for DS1321E+

Datasheets :

DS1321      

Application Notes :

Battery Monitoring in NV SRAM Modules       NV SRAM Frequently Asked Questions      

Environmental Information :

Material Declaration DS1321E+       Maxim Integrated RoHS Cert       Maxim Integrated REACH