Eeprom, 1Kbit, 1 Wire, 5.25V, Tsoc-6; Memory Configuration:4Pages X 256Bit; Interfaces:1-Wire; Clock Frequency Max:-; Ic Case/Package:Tsoc; No. Of Pins:6Pins; Supply Voltage Min:2.8V; Supply Voltage Max:5.25V; Msl:Msl 1 – Unlimitedrohs Compliant: Yes |Maxim Integrated/analog Devices DS2431P+

DS2431P+ – 1Kbit 1-Wire® EEPROM – Analog Devices / Maxim Integrated

The DS2431P+ from Analog Devices (Maxim Integrated) is a compact 1Kbit EEPROM memory IC featuring a single-wire interface for simplified system integration. Designed for robust data storage in space-constrained applications, this non-volatile memory solution offers reliable performance across industrial temperature ranges. PCX ensures genuine Analog Devices components with same-day shipping and dedicated technical support.

Key Features

• Memory Size: 1Kbit (256 x 4 organization)
• Interface: 1-Wire® serial communication
• Voltage Range: 2.8V to 5.25V operation
• Access Time: Ultra-fast 2μs read/write
• Temperature Range: Industrial-grade -40°C to +85°C
• Package: 6-pin TSOC surface-mount (J-Lead)

Technical Details

This EEPROM organizes memory into four 256-bit pages for flexible data management. Its 1-Wire® interface minimizes wiring requirements while supporting unique 64-bit ROM identification. The device operates with ≤5ms write cycles and features built-in write protection. RoHS-compliant construction and MSL1 (unlimited floor life) ensure easy integration into automated assembly processes.

Typical Applications

• Calibration data storage in industrial sensors
• Authentication systems and secure key storage
• Medical device parameter retention
• IoT node configuration memory
• Automotive accessory identification modules

About Analog Devices / Maxim Integrated

Analog Devices, incorporating Maxim Integrated technologies, is a global leader in high-performance semiconductor solutions. With over 50 years of innovation, the company sets industry standards for precision analog and mixed-signal ICs. Their components are renowned for exceptional reliability in mission-critical applications across aerospace, automotive, and industrial sectors.

The merger of Maxim Integrated into Analog Devices combines deep expertise in power management, data conversion, and secure memory technologies. This heritage ensures the DS2431P+ benefits from rigorous quality controls, extended lifecycle support, and cutting-edge silicon fabrication processes trusted by Fortune 500 manufacturers worldwide.

About 1-Wire® EEPROM Memory

1-Wire® EEPROMs provide non-volatile data storage using a single data line plus ground connection, dramatically reducing system wiring complexity. These memories retain critical information during power loss and are ideal for storing calibration constants, device parameters, or identification codes. Their minimal footprint makes them perfect for portable and space-constrained designs.

Unlike parallel EEPROMs, 1-Wire® devices enable unique hardware addressing through embedded ROM IDs, supporting multi-device networks on one bus. This combination of simplicity, low power consumption, and hardware-level security has established 1-Wire® as the interface of choice for authentication systems, smart sensors, and maintenance tracking applications.

Packaging Options

Available in standard Tube packaging for prototyping and small-batch production. Contact PCX for Tape & Reel options or custom quantities.

Frequently Asked Questions

Question: What is the maximum communication distance for 1-Wire® devices?

Answer: Typical reliable operation extends to 100 meters using standard cables, though distance depends on network loading and environmental factors.

Question: Does this EEPROM support over-the-air (OTA) updates?

Answer: While not natively wireless, it seamlessly integrates into OTA-capable systems as a configuration memory element.

Question: How many write cycles does the DS2431P+ support?

Answer: It guarantees minimum 50,000 write cycles with 40-year data retention at 85°C.

Question: Is special driver hardware needed for the 1-Wire® interface?

Answer: Most microcontrollers interface directly using open-drain GPIO; dedicated bus masters like the DS2480B simplify host integration.

Question: Can multiple DS2431P+ devices share one bus?

Answer: Yes, each device features a factory-lasered unique 64-bit ROM ID for collision-free network operation.

Question: Does PCX provide design support for this component?

Answer: Yes, our engineers offer schematic review assistance and datasheet guidance – contact our support team with project details.

Download Full Datasheet (Hosted by PCX)

Product image is representational; actual product may vary.

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