Datasheet > WED3EG72256SXX-JD3

WED3EG72256SXX-JD3

更新时间： 2024-09-29 23:41:59

品牌	Logo	应用领域
其他 - ETC		动态存储器双倍数据速率
页数	文件大小	规格书
10页	87K
描述
DDR SDRAM Modules - 184 Pin DIMM. Registered 72-bit wide

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WED3EG72256SXX-JD3

ADVANCED

2GB- 256Mx72, ECC, DDR SDRAM DIMM REGISTERED

MODULE

DESCRIPTION

FEATURES

Double data rate architecture; two data transfers

per clock cycle

The WED3EG72256SXX-JD3 is a 256Mx72 Double

Data Rate SDRAM memory module based on 1

Gigabit DDR SDRAM components. The module

consists of eighteen, 256Mx4 DDR SDRAMs in 66

pin TSOP packages mounted on a 184 pin FR4

substrate.

Clock speeds of 100MHz and 133MHz

Bi-directional data strobes (DQS)

Differential clock inputs (CK & CK)

DLL aligns DQ and DQS transition with CK

transition

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.

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

Serial presence detect

JEDEC standard 184 pin DIMM package

Power supply: Vdd: 2.5V ± 0.2V, Vddq: 2.5V ±

0.2V

OPERATING FREQUENCIES

262JD3

(DDR266@CL=2)

133MHz

265JD3

(DDR266@CL=2.5)

133MHz

202JD2

(DDR200@CL=2)

100MHz

Speed

CL-tRCD-tRP

2-3-3

2.5-3-3

2-2-2

Advance information: Speed may not be available.

January 2004 Rev. 0

White Electronic Designs Corporation

•

(602) 437-1520 • www.whiteedc.com

12 3 4 5 6 7...10

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WED3EG7232S202D3G	MICROSEMI	获取价格	DDR DRAM Module, 32MX72, 0.75ns, CMOS, ROHS COMPLIANT, DIMM-184
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WED3EG7232S202JD3IS	MICROSEMI	获取价格	DRAM,
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WED3EG7232S202JD3MG	MICROSEMI	获取价格	DDR DRAM Module, 32MX72, 0.75ns, CMOS, ROHS COMPLIANT, DIMM-184