Datasheet > EBE21FE8ACFR

EBE21FE8ACFR

更新时间： 2024-11-07 06:55:27

品牌	Logo	应用领域
尔必达 - ELPIDA		/
页数	文件大小	规格书
22页	194K
描述
2GB Fully Buffered DIMM

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中文翻译

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数据手册

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EBE21FE8ACFR 数据手册

DATA SHEET

2GB Fully Buffered DIMM

EBE21FE8ACFR

Specifications

Features

• Density: 2GB

• JEDEC standard Raw Card B Design

• Organization

• Industry Standard Advanced Memory Buffer (AMB)

256M words × 72 bits, 2 ranks

• High-speed differential point-to-point link interface at

1.5V (JEDEC spec)

• Mounting 18 pieces of 1G bits DDR2 SDRAM sealed

in FBGA

14 north-bound (NB) high speed serial lanes

10 south-bound (SB) high speed serial lanes

• Various features/modes:

• Package

240-pin fully buffered, socket type dual in line

memory module (FB-DIMM)

MemBIST and IBIST test functions

PCB height: 30.35mm

Transparent mode and direct access mode for

DRAM testing

Lead pitch: 1.00mm

Advanced Memory Buffer (AMB): 655-ball FCBGA

Lead-free (RoHS compliant)

• Power supply

Interface for a thermal sensor and status indicator

• Channel error detection and reporting

• Automatic DDR2 SDRAM bus and channel

calibration

DDR2 SDRAM: VDD = 1.8V ± 0.1V

AMB: VCC = 1.5V + 0.075V/ −0.045V

• Data rate: 667Mbps (max.)

• SPD (serial presence detect) with 1piece of 256 byte

serial EEPROM

• Eight internal banks for concurrent operation

(components)

Note: Warranty void if removed DIMM heat

spreader.

• 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

Performance

FB-DIMM

DDR2 SDRAM

System clock

frequency

Peak channel

throughput

Speed grade

PC2-5300F

FB-DIMM link data rate

4.0Gbps

Speed Grade

DDR data rate

667Mbps

167MHz

8.0GByte/s

DDR2-667 (5-5-5)

Document No. E1345E20 (Ver. 2.0)

Date Published October 2008 (K) Japan

Printed in Japan

URL: http://www.elpida.com

Elpida Memory, Inc. 2008

12 3 4 5 6 7...22

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