Datasheet > EDD5108AGTA-LI

EDD5108AGTA-LI

更新时间： 2024-11-07 06:55:55

品牌	Logo	应用领域
尔必达 - ELPIDA		动态存储器双倍数据速率
页数	文件大小	规格书
52页	498K
描述
512M bits DDR SDRAM WTR (Wide Temperature Range)

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数据手册

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EDD5108AGTA-LI 数据手册

PRELIMINARY DATA SHEET

512M bits DDR SDRAM

WTR (Wide Temperature Range)

EDD5108AGTA-LI (64M words × 8 bits)

EDD5116AGTA-LI (32M words × 16 bits)

Features

Specifications

• Density: 512M bits

• Organization

• Double-data-rate architecture; two data transfers per

clock cycle

• The high-speed data transfer is realized by the 2 bits

prefetch pipelined architecture

⎯ 16M words × 8 bits × 4 banks (EDD5108AGTA)

⎯ 8M words × 16 bits × 4 banks (EDD5116AGTA)

• Package: 66-pin plastic TSOP (II)

⎯ Lead-free (RoHS compliant)

• Power supply: VDD, VDDQ = 2.5V 0.2V

• Data rate: 400Mbps/333Mbps/266Mbps (max.)

• Four internal banks for concurrent operation

• Interface: SSTL_2

• Bi-directional data strobe (DQS) is transmitted

/received with data for capturing data at the receiver

• Data inputs, outputs, and DM are synchronized with

DQS

• DQS is edge-aligned with data for READs; center-

aligned with data for WRITEs

• Differential clock inputs (CK and /CK)

• DLL aligns DQ and DQS transitions with CK

• Burst lengths (BL): 2, 4, 8

• Burst type (BT):

⎯ Sequential (2, 4, 8)

⎯ Interleave (2, 4, 8)

• /CAS Latency (CL): 2, 2.5, 3

• Precharge: auto precharge option for each burst

access

transitions

• Commands entered on each positive CK edge; data

and data mask referenced to both edges of DQS

• Data mask (DM) for write data

• ·Wide temperature range

⎯ TA = –40°C to +85°C

• Driver strength: normal/weak

• Refresh: auto-refresh, self-refresh

• Refresh cycles: 8192 cycles/64ms

⎯ Average refresh period: 7.8μs

• Operating ambient temperature range

⎯ TA = –40°C to +85°C

Document No. E1304E10 (Ver. 1.0)

Date Published April 2008 (K) Japan

Printed in Japan

URL: http://www.elpida.com

©Elpida Memory, Inc. 2008

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