S-34C04AB-A8T3U5

Overview

The S-34C04AB-A8T3U5 is a 4-kbit (512 x 8) serial EEPROM designed for SPD applications in DDR4 DIMMs. It features an I²C interface with a maximum clock frequency of 1 MHz. The device operates within a supply voltage range of 1.7 V to 3.6 V and supports surface mount installation in an 8-DFN (2x3 mm) package. It ensures data retention for 100 years and functions reliably across an operating temperature range of -20°C to +125°C.

Feature Summary

• Designed specifically as a Serial Presence Detect (SPD) memory solution for DDR4 DIMMs
• Supports high-speed DDR4 compatibility through optimized I²C communication
• Provides long-term data integrity with 100-year retention capability

Applications

• DDR4 Dual In-line Memory Modules (DIMMs)
• System board memory configuration storage
• Computer hardware SPD implementation

Procurement Notes

Verify the exact part number against official ABLIC documentation to confirm pinout and electrical specifications. Ensure the selected component matches the required voltage and temperature ratings for your specific DDR4 application. Cross-reference datasheets to validate package dimensions and interface compatibility before integration into design projects.

Selection Notes

Select this component when designing DDR4 memory modules requiring dedicated SPD storage. It is suitable for systems needing reliable, low-voltage operation with standard I²C connectivity. Consider the wide operating temperature range and compact DFN package for space-constrained or industrial-grade motherboard designs.

Part Context

This part belongs to the S-34xx series of serial EEPROMs from ABLIC Inc., which are optimized for memory module applications. The series provides non-volatile storage solutions with standardized interfaces, ensuring compatibility with modern computing architectures and memory standards.

Replacement Considerations

Check for direct substitutes within the S-34C04A family that may offer different suffix variations for packaging or temperature grades. Verify functional equivalence regarding I²C timing and voltage levels before swapping components in existing DDR4 DIMM designs.