Datasheet > EDD51321DBH-TS

EDD51321DBH-TS

更新时间： 2024-09-18 06:55:55

品牌	Logo	应用领域
尔必达 - ELPIDA		双倍数据速率
页数	文件大小	规格书
58页	702K
描述
512M bits DDR Mobile RAM™ WTR (Wide Temperature Range)

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数据手册

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EDD51321DBH-TS 数据手册

PRELIMINARY DATA SHEET

512M bits DDR Mobile RAM

WTR (Wide Temperature Range)

EDD51321DBH-TS (16M words × 32 bits)

Features

Specifications

• Density: 512M bits

• Organization: 4M words × 32 bits × 4 banks

• DLL is not implemented

• Low power consumption

• Package: 90-ball FBGA

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

one clock cycle

Lead-free (RoHS compliant) and Halogen-free

• Power supply: VDD, VDDQ = 1.7V to 1.95V

• Data rate: 400Mbps/333Mbps (max.)

• 2KB page size

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

prefetch pipelined architecture

• Bi-directional data strobe (DQS) is transmitted

/received with data for capturing data at the receiver.

Row address: A0 to A12

• Data inputs, outputs, and DM are synchronized with

Column address: A0 to A8

• Four internal banks for concurrent operation

• Interface: LVCMOS

DQS

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

aligned with data for WRITEs

• Differential clock inputs (CK and /CK)

• Burst lengths (BL): 2, 4, 8

• Burst type (BT):

Sequential (2, 4, 8)

Interleave (2, 4, 8)

• /CAS Latency (CL): 3

• Commands entered on each positive CK edge: data

and data mask referenced to both edges of DQS

• Data mask (DM) for write data

• Burst termination by burst stop command and

Precharge command

• Precharge: auto precharge option for each burst

• Wide temperature range

access

TA = −25°C to +85°C

• Driver strength: normal, 1/2, 1/4

• Refresh: auto-refresh, self-refresh

• Refresh cycles: 8192 cycles/64ms

Average refresh period: 7.8µs

• Operating ambient temperature range

TA = −25°C to +85°C

• Low Power Function below is not supported

Partal Array Self-Refresh (PASR)

Auto Temperature Compensated Self-Refresh

Deep power-down mode

Document No. E1398E40 (Ver. 4.0)

Date Published October 2009 (K) Japan

Printed in Japan

URL: http://www.elpida.com

Elpida Memory, Inc. 2008-2009

12 3 4 5 6 7...58

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