EBE82FF4A1RR Datasheet, PDF (1/23 Pages) Elpida Memory – 8GB Fully Buffered DIMM

PRELIMINARY DATA SHEET
8GB Fully Buffered DIMM
EBE82FF4A1RR
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 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/ −0.045V
• 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
3.9µs at +85°C < TC ≤ +95°C
• Operating case temperature range
 TC = 0°C to +95°C
Features
• JEDEC standard Raw Card AA Design
• Industry Standard Advanced Memory Buffer (AMB)
• High-speed differential point-to-point link interface at
1.5V (JEDEC 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
200MHz
167MHz
FB-DIMM
Speed grade
PC2-6400F
PC2-5300F
Peak channel
throughput
9.6GByte/s
8.0GByte/s
DDR2 SDRAM
FB-DIMM link data rate
4.8Gbps
4.0Gbps
Speed Grade
DDR2-800 (5-5-5)
DDR2-667 (5-5-5)
DDR data rate
800Mbps
667Mbps
Document No. E1339E20 (Ver. 2.0)
Date Published October 2008 (K) Japan
Printed in Japan
URL: http://www.elpida.com
Elpida Memory, Inc. 2008