4RCD0229KB1ATG8/M

Overview

The Renesas 4RCD0229KB1ATG8 is a JEDEC-compliant Gen 2 DDR4 Registered Clock Driver (RCD) designed for enterprise-class server RDIMMs, LRDIMMs, and UDIMMs. It operates with a 1.2V VDD supply and features a 32-bit 1:2 register command and address buffer with parity. Optimized for DDR4 speeds up to 2667 MT/s, it supports CKE power-down modes and various chip select operations including direct and encoded quad CS. The device is housed in a 253-ball Dual-Pitch FCCSP package.

Feature Summary

• JEDEC compliant Gen 2 DDR4 RCD optimized for 1.2V operation
• Supports DDR4-1600/1866/2133/2400/2667 MT/s data rates
• Features 32-bit 1:2 register command and address buffer with parity
• Compatible with 4DB0226KB and TSE2004GB2 components

Applications

• Enterprise Class Server RDIMMs
• LRDIMMs
• UDIMMs

Procurement Notes

This component is officially designated as End-of-Life (EOL). A Last Time Buy notification was issued on October 11, 2024. Verification of the specific suffix 'M' against official datasheets is required, as standard listings typically reference the 'ATG' package variant without this suffix.

Selection Notes

Select this part for systems requiring Gen 2 DDR4 support up to 2667 MT/s. Ensure compatibility with the 4DB0226KB data buffer and TSE2004GB2 temperature sensor. Verify that the PCB layout accommodates the 253-ball FCCSP package dimensions.

Part Context

The 4RCD0229K belongs to the 4RCD0229 series of DDR4 registered clock drivers. It serves as a critical interface component between the memory controller and DRAM modules in high-performance computing environments.

Replacement Considerations

The 4RCD0232K is identified as a subsequent generation alternative within the product line.