Eeprom, 1Kbit, 1 Wire, 5.25V, To-226Aa-3; Memory Configuration:4Pages X 256Bit; Interfaces:1-Wire; Clock Frequency Max:-; Ic Case/Package:To-226Aa; No. Of Pins:3Pins; Supply Voltage Min:2.8V; Supply Voltage Max:5.25V; Msl:- Rohs Compliant: Yes |Maxim Integrated/analog Devices DS2431+

DS2431+ – 1Kbit 1-Wire® EEPROM Memory IC – Analog Devices

The DS2431+ from Analog Devices is a high-reliability serial EEPROM designed for secure data storage in space-constrained applications. Featuring a unique 1-Wire interface and wide voltage range, this non-volatile memory solution simplifies system design while delivering robust performance. PCX supplies this industrial-grade component with guaranteed quality assurance and expedited shipping.

Key Features

• Memory Size: 1Kbit (256 x 4 organization)
• Interface: Single-pin 1-Wire® communication
• Voltage Range: 2.8V to 5.25V operation
• Access Time: Ultra-fast 2µs read speed
• Temperature Range: Industrial -40°C to +85°C
• Package: Through-hole TO-92-3
• Compliance: RoHS certified

Technical Specifications

Organized as four pages of 256 bits each, this EEPROM IC uses Maxim Integrated’s 1-Wire protocol for simplified microcontroller communication. The TO-226AA/TO-92-3 through-hole package ensures easy integration, while the extended temperature rating guarantees performance in harsh environments. Non-volatile technology provides data retention without power.

Typical Applications

• Calibration data storage in industrial sensors
• Device identification in automotive modules
• Consumable authentication (printers/medical devices)
• Configuration storage for IoT endpoints
• Accessory validation in consumer electronics

About Analog Devices

Analog Devices (ADI) is a global leader in high-performance semiconductor solutions, renowned for precision analog and digital signal processing technologies. Their acquisition of Maxim Integrated further strengthened their portfolio in data conversion, power management, and embedded systems.

ADI components are engineered for mission-critical reliability across automotive, industrial, and communications markets. Rigorous testing protocols and consistent quality make them a preferred supplier for designers requiring uncompromising performance.

About EEPROM Memory

EEPROM (Electrically Erasable Programmable Read-Only Memory) provides non-volatile data storage that retains information without power. Unlike flash memory, EEPROMs allow byte-level rewriting, making them ideal for frequent small data updates.

These memories are essential for storing calibration constants, device parameters, and security keys in embedded systems. Their low power consumption and durability support applications from medical devices to smart meters where data integrity is paramount.

Packaging Options

Available in bulk packaging for prototyping and production needs. Contact PCX for reel packaging availability on volume orders.

Frequently Asked Questions

Q: What is the advantage of the 1-Wire interface?
A: It reduces wiring complexity by enabling communication, power, and data transfer over a single microcontroller pin.

Q: How many write cycles does this EEPROM support?
A: The DS2431+ supports minimum 50,000 write cycles per memory location.

Q: Is this IC suitable for automotive applications?
A: Yes, the extended temperature range and robust design meet requirements for automotive subsystems.

Q: Does PCX provide technical documentation?
A: Yes, datasheets are available through PCXCo.com. Contact our support team for assistance.

Q: What distinguishes EEPROM from flash memory?
A: EEPROM allows individual byte erasure, while flash typically erases in larger blocks.

Q: Can I use this for battery-powered devices?
A: Absolutely, the wide voltage range (2.8V-5.25V) and low power consumption make it ideal for portable electronics.

Order Today

Secure your supply of genuine Analog Devices DS2431+ EEPROMs! PCX guarantees authentic components with same-day shipping on in-stock items. Contact our technical support team for design assistance or volume pricing.

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Note: Product images are representational. Refer to datasheet for exact specifications.