W3EG64128S-AD4 Datasheet, PDF (8/9 Pages) White Electronic Designs Corporation – 1GB - 2x64Mx64 DDR SDRAM UNBUFFERED w/PLL

White Electronic Designs
W3EG64128S-AD4
-BD4
PRELIMINARY
ORDERING INFORMATION FOR BD4
Part Number
Speed
CAS Latency tRCD
tRP
Height*
W3EG64128S335BD4
166MHz/333Mb/s
2.5
3
3
31.75 (1.25")
W3EG64128S262BD4
133MHz/266Mb/s
2
2
2
31.75 (1.25")
W3EG64128S265BD4
133MHz/266Mb/s
2.5
3
3
31.75 (1.25")
W3EG64128S202BD4
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)
U3
C3
RP1
C5
RP5
RP9
U5
67.56
(2.666) MAX
R17
R19
R9
R2
R12
R11
C27
R5
R18
R20
R10
R13
U1
U7
U9
C28
R3
C29
R21
C2
C3
RP14
RP18
RP13
RP19
C6
RP4
C18
C7
RP7
RP12
RP20
RP22
C8 C26
31.75
(1.25)
20
(0.787)
3.81
(0.150) MAX.
2.31
(0.091) REF.
11.40
(0.449)
4.19
(0.165)
1.80
(0.071)
47.40
(1.866)
3.98
(0.157) MIN.
1.0 ± 0.1
(0.039 ± 0.004)
* ALL DIMENSIONS ARE IN MILLIMETERS AND (INCHES)
May 2004
Rev. 0
8
White Electronic Designs Corporation • [phone] • www.wedc.com