DS2433S+ – 4Kbit 1-Wire EEPROM Memory IC – Analog Devices

The DS2433S+ from Analog Devices is a high-reliability 4Kbit EEPROM memory IC featuring a streamlined 1-Wire® interface. Ideal for space-constrained designs, this non-volatile memory solution delivers robust data retention and ultra-fast access times. PCX supplies this legacy component for critical system upgrades or maintenance, backed by rapid shipping and dedicated technical support.

Key Features

• Memory Size & Organization: 4Kbit (256 x 16)
• Interface: Efficient 1-Wire® serial communication
• Access Time: Ultra-fast 2 µs operation
• Volatility: Non-volatile EEPROM technology
• Temperature Range: Industrial-grade -40°C to 85°C
• Package: Surface-mount 8-SOIC (5.30mm Width)

Technical Details

Organized as 256 words of 16 bits each, this EEPROM IC minimizes system overhead with its single-contact 1-Wire interface, reducing wiring complexity. The DS2433S+ operates across industrial temperature ranges and comes in a compact 8-SOIC package, ensuring durability in harsh environments. Note: This part is marked obsolete by the manufacturer but remains available for existing designs through PCX’s specialized inventory.

Typical Applications

• Calibration data storage in industrial sensors
• Configuration memory for IoT devices
• Access control and authentication systems
• Medical equipment parameter logging
• Automotive module identification

About Analog Devices

Analog Devices (ADI), a global leader in high-performance semiconductors, acquired Maxim Integrated to further strengthen its portfolio in data conversion, power management, and embedded processing technologies. With over 50 years of innovation, ADI delivers cutting-edge solutions trusted for precision and reliability across aerospace, healthcare, and industrial markets.

The company’s rigorous quality standards and extensive R&D investment ensure components like the DS2433S+ meet critical performance benchmarks. ADI’s legacy support for discontinued parts underscores its commitment to long-term system sustainability, making it a preferred partner for engineering teams worldwide.

About EEPROM Memory ICs

EEPROM (Electrically Erasable Programmable Read-Only Memory) ICs provide non-volatile data storage that retains information without power. Unlike traditional ROM, they allow in-circuit reprogramming, making them essential for firmware updates, calibration tables, and user settings. Their byte-level erase/write capability offers unparalleled flexibility in embedded systems.

1-Wire EEPROMs like the DS2433S+ excel in space-constrained or distributed applications by minimizing I/O pin requirements. They’re widely deployed in authentication tokens, smart sensors, and maintenance-critical equipment where reliable parameter storage is paramount. PCX stocks diverse EEPROM technologies to support legacy and next-gen designs alike.

Packaging Options

Available in manufacturer tube packaging for prototyping or small-batch production. Contact PCX for reel options or custom quantities.

Frequently Asked Questions

Question: Is the DS2433S+ compatible with 3.3V systems?

Answer: Yes, it operates at standard 1-Wire voltage levels (2.8V to 5.25V), making it suitable for 3.3V designs.

Question: How many devices can share a single 1-Wire bus?

Answer: The 1-Wire protocol supports up to 100 devices on one bus, each with a unique 64-bit ID.

Question: What’s the typical data retention period?

Answer: Analog Devices guarantees 40 years of data retention at 85°C and 100+ years at 25°C.

Question: Can this EEPROM withstand reflow soldering?

Answer: Yes, the 8-SOIC package is JEDEC-compliant for surface-mount reflow processes.

Question: Why choose an obsolete part?

Answer: PCX maintains stock of legacy components like the DS2433S+ to extend product lifecycles and avoid costly redesigns.

Question: Is a development kit available?

Answer: Analog Devices offers 1-Wire evaluation kits – contact PCX support for compatible tools.

Product images are representational. Refer to the datasheet hosted on PCXCo.com for exact specifications.

Order Today for Fast Delivery!

Secure limited stock of this industrial-grade EEPROM – PCX guarantees same-day shipping on in-house inventory. Contact our support team for volume pricing or technical queries!