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EBE82AF4A1RA Datasheet 8GB Registered DDR2 SDRAM DIMM

Manufacturer: Elpida Memory

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Datasheet Details

Part number EBE82AF4A1RA
Manufacturer Elpida Memory
File Size 287.63 KB
Description 8GB Registered DDR2 SDRAM DIMM
Datasheet download datasheet EBE82AF4A1RA Datasheet

Overview

PRELIMINARY DATA SHEET www.DataSheet4U.com 8GB Registered DDR2 SDRAM DIMM EBE82AF4A1RA (1024M words × 72 bits, 4 Ranks) Specifications • Density: 8GB • Organization ⎯ 1024M words × 72 bits, 4 ranks • Mounting 36 pieces of 2G bits DDR2 SDRAM with DDP (FBGA) ⎯ DDP: 2 pieces of 1Gb chips sealed in one package • 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 (max.) • Eight 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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