EBE41AE4ACWA Datasheet 4GB Registered DDR2 SDRAM DIMM

Manufacturer: Elpida Memory

EBE41AE4ACWA 4gb registered ddr2 sdram dimm by Elpida Memory - Datasheet Preview

Datasheet Details

Part number	EBE41AE4ACWA
Manufacturer	Elpida Memory
File Size	275.75 KB
Description	4GB Registered DDR2 SDRAM DIMM
Datasheet	EBE41AE4ACWA Datasheet

Overview

DATA SHEET www.DataSheet4U.com 4GB Registered DDR2 SDRAM DIMM EBE41AE4ACWA (512M words × 72 bits, 2 Ranks) Specifications • Density: 4GB • Organization  512M words × 72 bits, 2 ranks • Mounting 36 pieces of 1G 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: 800Mbps/667Mbps (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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