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EBE51AD8AGFA Datasheet 512MB Registered DDR2 SDRAM DIMM

Manufacturer: Elpida Memory

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Datasheet Details

Part number EBE51AD8AGFA
Manufacturer Elpida Memory
File Size 238.53 KB
Description 512MB Registered DDR2 SDRAM DIMM
Datasheet download datasheet EBE51AD8AGFA Datasheet

Overview

PRELIMINARY DATA SHEET www.DataSheet4U.com 512MB Registered DDR2 SDRAM DIMM EBE51AD8AGFA (64M words × 72 bits, 1 Rank) Specifications • Density: 512MB • Organization  64M words × 72 bits, 1 rank • Mounting 9 pieces of 512M bits DDR2 SDRAM sealed in FBGA • Package: 240-pin socket type dual in line memory module (DIMM)  PCB height: 30.0mm  Lead pitch: 1.0mm  Lead-free (RoHS compliant) • Power supply: VDD = 1.8V ± 0.1V • Data rate: 667Mbps/533Mbps/400Mbps (max.) • Four internal banks for concurrent operation (components) • Interface: SSTL_18 • Burst lengths (BL): 4, 8 • /CAS Latency (CL): 3, 4, 5 • Precharge: auto precharge option for each burst access • Refresh: auto-refresh, self-refresh • Refresh cycles: 8192 cycles/64ms  Average refresh period 7.8µs at 0°C ≤ TC ≤ +85°C 3.

Key Features

  • Double-data-rate architecture; two data transfers per clock cycle.
  • The high-speed data transfer is realized by the 4 bits prefetch pipelined architecture.
  • Bi-directional differential data strobe (DQS and /DQS) is transmitted/received with data for capturing data at the receiver.
  • DQS is edge-aligned with data for READs; centeraligned with data for WRITEs.
  • Differential clock inputs (CK and /CK).
  • DLL aligns DQ and DQS transitions with CK transi.

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