EBE21FD4AGFN-5C-E datasheet(1/22 Pages) ELPIDA

Part #	EBE21FD4AGFN-5C-E

Description	2GB Fully Buffered DIMM

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Manufacturer	ELPIDA [Elpida Memory]

Direct Link	http://www.elpida.com/en

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Document No. E0868E30 (Ver. 3.0)

Date Published August 2006 (K) Japan

Printed in Japan

URL: http://www.elpida.com

Elpida Memory, Inc. 2006

PRELIMINARY DATA SHEET

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

7.8

µs at 0°C ≤ TC ≤ +85°C

3.9

µs 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

FB-DIMM

DDR2 SDRAM

System clock

frequency

Speed grade

Peak channel

throughput

FB-DIMM link data rate

Speed Grade

DDR data rate

167MHz

PC2-5300F

8.0GByte/s

4.0Gbps

DDR2-667 (5-5-5)

667Mbps

133MHz

PC2-4200F

6.4GByte/s

3.2Gbps

DDR2-533 (4-4-4)

533Mbps

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