W3EG7262S265D3

更新时间： 2024-01-05 09:50:28

品牌	Logo	应用领域
WEDC		动态存储器双倍数据速率
页数	文件大小	规格书
12页	218K
描述
512MB - 2X32Mx72 DDR SDRAM UNBUFFERED

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W3EG7262S265D3 数据手册

W3EG7262S-D3

-JD3

White Electronic Designs

PRELIMINARY*

512MB – 2X32Mx72 DDR SDRAM UNBUFFERED

FEATURES

DESCRIPTION

ꢀ

Double-data-rate architecture

The W3EG7262S is a 2x32Mx72 Double Data Rate

SDRAM memory module based on 256Mb DDR SDRAM

components. The module consists of eighteen 32Mx8

DDR SDRAMs in 66 pin TSOP packages mounted on a

184 pin FR4 substrate.

ꢀ

DDR200 and DDR266

• JEDEC design speciﬁed

ꢀ

Bi-directional data strobes (DQS)

Differential clock inputs (CK & CK#)

Programmable Read Latency 2,2.5 (clock)

Programmable Burst Length (2,4,8)

Programmable Burst type (sequential & interleave)

Edge aligned data output, center aligned data input.

Auto and self refresh

Synchronous design allows precise cycle control with the

use of system clock. Data I/O transactions are possible on

both edges and Burst Lengths allow the same device to be

useful for a variety of high bandwidth, high performance

memory system applications.

* This product is under development, is not qualiﬁed or characterized and is subject to

change without notice.

Serial presence detect

Dual Rank

Power supply: 2.5V 0.2V

JEDEC184 pin DIMM package

• JD3 PCB height: 30.48mm (1.20")

NOTE: Consult factory for availability of:

• RoHS compliant products

• Vendor source control options

• Industrial temperature option

OPERATING FREQUENCIES

DDR266 @CL=2

133MHz

DDR266 @CL=2.5

133MHz

DDR200 @CL=2

100MHz

Clock Speed

CL-t_RCD-t_RP

2-2-2

2.5-3-3

2-2-2

May 2005

Rev. 3

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

12 3 4 5 6 7...12

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