• Part: HB54A5129F1U-A75B
  • Description: 512MB Registered DDR SDRAM DIMM
  • Manufacturer: Elpida Memory
  • Size: 186.18 KB
HB54A5129F1U-A75B Datasheet (PDF) Download
Elpida Memory
HB54A5129F1U-A75B

Description

The HB54A5129F1U is a 64M × 72 × 1 bank Double Data Rate (DDR) SDRAM Module, mounted 18 pieces of 256Mbits DDR SDRAM (HM5425401BTT) sealed in TSOP package, 1 piece of PLL clock driver, 2 pieces of register driver and 1 piece of serial EEPROM (2k bits EEPROM) for Presence Detect (PD).

Key Features

  • 184-pin socket type package (dual lead out)  Outline: 133.35mm (Length) × 30.48mm (Height) × 4.00mm (Thickness)  Lead pitch: 1.27mm
  • 2.5V power supply (VCC/VCCQ)
  • SSTL-2 interface for all inputs and outputs
  • Clock frequency: 143MHz/133MHz/125MHz (max.)
  • Data inputs and outputs are synchronized with DQS
  • 4 banks can operate simultaneously and independently (ponent)
  • Burst read/write operation
  • Programmable burst length: 2, 4, 8  Burst read stop capability
  • Programmable burst sequence  Sequential  Interleave
  • Start addressing capability  Even and Odd