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

White Electronic Designs

WED3EG7218S-JD3

June 2006

Rev. 2

PRELIMINARY

133.48

(5.255" MAX.)

3.99

(0.157 (2x))

17.78

(0.700)

10.01

(0.394)

6.35

(0.250)

64.77

(2.550)

1.78

(0.070)

49.53

(1.950)

3.00

(0.118)

(4x)

30.48

(1.20)

MAX

2.31

(0.091)

(2x)

1.27

(0.050 TYP.)

6.35

(0.250)

128.95

(5.077")

131.34

(5.171")

2.54

(0.100)

3.99

(0.157)

(MIN)

1.27 ± 0.10

(0.050 ± 0.004)

ORDERING INFORMATION FOR JD3

Part Number

Speed/Data Rate

Frequency

CAS Latency

Height*

WED3EG7218S403JD3xxx

200MHz/400Mb/s

3

3

3

30.48mm (1.20")

WED3EG7218S335JD3xxx

166MHz/333Mb/s

2.5

3

3

30.48mm (1.20")

WED3EG7218S262JD3xxx

133MHz/266Mb/s

2

2

2

30.48mm (1.20")

WED3EG7218S265JD3xxx

133MHz/266Mb/s

2.5

3

3

30.48mm (1.20")

WED3EG7218S202JD3xxx

100MHz/200Mb/s

2

2

2

30.48mm (1.20")

NOTES:

• Consult Factory for availability of RoHS products. (G = RoHS Compliant)

• Vendor specific part numbers are used to provide memory components source control. The place holder for this is shown as lower case “x” in the part numbers above and is to

be replaced with the respective vendors code. Consult factory for qualified sourcing options. (M = Micron, S = Samsung & consult factory for others)

• Consult factory for availability of industrial temperature (-40°C to 85°C) option

PACKAGE DIMENSIONS FOR JD3

* ALL DIMENSIONS ARE IN MILLIMETERS AND (INCHES)