4DB0226EMKB0AVG

Overview

The 4DB0226EMKB0AVG is a DDR4 data buffer designed for enterprise-class server applications, specifically supporting Long-Range DIMMs (LRDIMMs). It features a dual 4-bit bidirectional data register with differential strobes and operates at a VDD of 1.2V. The device supports DDR4 speeds of 1600, 1866, and 2133 MT/s and includes CKE power-down operation mode. It provides access to internal control words for configuration and adaptation in various LRDIMM and system environments.

Feature Summary

• Pinout optimized for DDR4 LRDIMM PCB layout
• Dual 4-bit bidirectional data register with differential strobes
• Supports CKE Power Down operation mode
• Provides access to internal control words for device configuration

Applications

• Enterprise Class Server LRDIMMs

Procurement Notes

Verify the specific suffix 'EMKB0AVG' against official Renesas documentation to confirm package type, temperature range, and lead finish. Ensure compatibility with target DDR4 LRDIMM designs and check for any End-of-Life notices or recommended replacements like the 4DB0226KA series if availability is constrained.

Selection Notes

Select this component for high-reliability server memory systems requiring robust data buffering. Consider its support for multiple DDR4 speeds and configurable internal controls. Evaluate thermal performance and pinout compatibility with existing LRDIMM layouts before finalizing the design.

Part Context

This part belongs to the Renesas DDR4 data buffer family, which addresses the increasing memory capacity demands of modern servers. These buffers are critical for signal integrity and timing alignment in complex memory architectures, enabling stable operation at high data rates.