DDR4 Register Clock Driver (RCD)

IDT’s JEDEC-compliant 4RCD0229K is a Gen 2 DDR4 registered clock driver (RDC) for enterprise-class server RDIMMs, LRDIMMs and UDIMMs operating with a 1.2V VDD supply. It features a 32-bit 1:2 register command, address buffer with parity designed for 1.2V VDD operation.

Features

  • JEDEC Compliant RCD  
  • DDR4-1600/1866/2133/2400/2667
  • Optimized for JEDEC DDR4 2667 MT/s RDIMM, LRDIMM and UDIMM
  • Designed to be used with IDT 4DB0226KB (DDR4 DB) and IDT TSE2004GB2 (DDR4 temperature sensor)
  • Supports CKE Power Down operation modes
  • Support Quad Chip Select Operation
    • Direct Dual CS Mode
    • Direct QuadCS Mode
  • Encoded QuadCS Mode
  • Pinout optimized DDR4 RDIMM, LRDIMM and UDIMM PCB layout
  • Provides access to internal control words for configuring the device features and adapting in different RDIMM and system applications
  • Available in 253-ball dual-pitch (0.50mm/0.65mm), 15 x 20 grid , rectangular ball grid array package