W3EG72128S-AD4 Datasheet, PDF (11/14 Pages) White Electronic Designs Corporation – 1GB - 2x64Mx72 DDR SDRAM UNBUFFERED ECC w/PLL

White Electronic Designs
W3EG72128S-AD4
-BD4
PRELIMINARY
ORDERING INFORMATION FOR BD4
Part Number
Speed
CAS Latency tRCD
tRP
Height*
W3EG72128S335BD4-xG
166MHz/333Mb/s
2.5
3
3
31.75 (1.25")
W3EG72128S262BD4-xG
133MHz/266Mb/s
2
2
2
31.75 (1.25")
W3EG72128S265BD4-xG
133MHz/266Mb/s
2.5
3
3
31.75 (1.25")
W3EG72128S202BD4-xG
100MHz/200Mb/s
2
2
2
31.75 (1.25")
NOTES:
• Consult Factory for availability of RoHS compliant 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 BD4
3.98 ± 0.1
(0.157 ± 0.004)
67.56
(2.666) MAX
2.31
(0.091) REF.
11.40
(0.449)
4.19
(0.165)
1.80
(0.071)
47.40
(1.866)
6.35
(0.250) MAX.
31.75
(1.25)
20
(0.787)
3.99
(0.157) MIN.
0.99 ± 0.10
(0.039 ± 0.004)
* ALL DIMENSIONS ARE IN MILIMETERS AND (INCHES)
August 2005
Rev. 3
11
White Electronic Designs Corporation • [phone] • www.wedc.com