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Elpida Memory - 2GB Fully Buffered DIMM

Numéro de référence EBE21FD4AGFN
Description 2GB Fully Buffered DIMM
Fabricant Elpida Memory 
Logo Elpida Memory 





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EBE21FD4AGFN fiche technique
PRELIMINARY DATA SHEET
www.DataSheet4U.com
2GB Fully Buffered DIMM
EBE21FD4AGFD
EBE21FD4AGFN
Specifications
Density: 2GB
Organization
256M words × 72 bits, 2 ranks
Mounting 36 pieces of 512M bits DDR2 SDRAM
sealed in FBGA
Package
240-pin fully buffered, socket type dual in line
memory module (FB-DIMM)
PCB height: 30.35mm
Lead pitch: 1.00mm
Advanced Memory Buffer (AMB): 655-ball FCBGA
Lead-free (RoHS compliant)
Power supply
DDR2 SDRAM: VDD = 1.8V ± 0.1V
AMB: VCC = 1.5V + 0.075V/0.045
Data rate: 667Mbps/533Mbps (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
3.9µs at +85°C < TC ≤ +95°C
Operating case temperature range
TC = 0°C to +95°C
Features
JEDEC standard Raw Card E Design
Industry Standard Advanced Memory Buffer (AMB)
High-speed differential point-to-point link interface at
1.5V (JEDEC draft spec)
14 north-bound (NB) high speed serial lanes
10 south-bound (SB) high speed serial lanes
Various features/modes:
MemBIST and IBIST test functions
Transparent mode and direct access mode for
DRAM testing
Interface for a thermal sensor and status indicator
Channel error detection and reporting
Automatic DDR2 SDRAM bus and channel
calibration
SPD (serial presence detect) with 1piece of 256 byte
serial EEPROM
Note: Warranty void if removed DIMM heat
spreader.
Performance
System clock
frequency
167MHz
133MHz
FB-DIMM
Speed grade
PC2-5300F
PC2-4200F
Peak channel
throughput
8.0GByte/s
6.4GByte/s
DDR2 SDRAM
FB-DIMM link data rate
4.0Gbps
3.2Gbps
Speed Grade
DDR2-667 (5-5-5)
DDR2-533 (4-4-4)
DDR data rate
667Mbps
533Mbps
Document No. E0868E30 (Ver. 3.0)
Date Published August 2006 (K) Japan
Printed in Japan
URL: http://www.elpida.com
Elpida Memory, Inc. 2006

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