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EBD21RD4ABNA - 2GB Registered DDR SDRAM DIMM

Description

The EBD21RD4ABNA is a 256M words × 72 bits, 2 bank Double Data Rate (DDR) SDRAM Module, mounted 36 pieces of DDR SDRAM sealed in TCP package.

Read and write operations are performed at the cross points of the CK and the /CK.

Features

  • 184-pin socket type dual in line memory module (DIMM)  PCB height: 30.48mm  Lead pitch: 1.27mm.
  • 2.5V power supply.
  • Data rate: 266Mbps/200Mbps (max. ).
  • 2.5 V (SSTL_2 compatible) I/O.
  • Double Data Rate architecture; two data transfers per clock cycle.
  • Bi-directional, data strobe (DQS) is transmitted /received with data, to be used in capturing data at the receiver.
  • Data inputs and outputs are synchronized with DQS.
  • 4 internal.

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Datasheet Details

Part number EBD21RD4ABNA
Manufacturer Elpida Memory
File Size 177.50 KB
Description 2GB Registered DDR SDRAM DIMM
Datasheet download datasheet EBD21RD4ABNA Datasheet

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PRELIMINARY DATA SHEET 2GB Registered DDR SDRAM DIMM EBD21RD4ABNA (256M words × 72 bits, 2 Banks) Description The EBD21RD4ABNA is a 256M words × 72 bits, 2 bank Double Data Rate (DDR) SDRAM Module, mounted 36 pieces of DDR SDRAM sealed in TCP package. Read and write operations are performed at the cross points of the CK and the /CK. This highspeed data transfer is realized by the 2-bit prefetchpipelined architecture. Data strobe (DQS) both for read and write are available for high speed and reliable data bus design. By setting extended mode register, the on-chip Delay Locked Loop (DLL) can be set enable or disable. This module provides high density mounting without utilizing surface mount technology. Decoupling capacitors are mounted beside each TCP on the module board.
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