W3EG72256S-JD3 Datasheet, PDF (11/14 Pages) White Electronic Designs Corporation – 2GB-256Mx72 DDR SDRAM REGISTERED ECC w/PLL

White Electronic Designs
W3EG72256S-JD3
-AJD3
PRELIMINARY
ORDERING INFORMATION FOR JD3
Part Number
Speed
CAS Latency tRCD
tRP
W3EG72256S335JD3
166MHz/133Mb/s
2.5
3
3
W3EG72256S262JD3
133MHz/266Mb/s
2
2
2
W3EG72256S263JD3
133MHz/266Mb/s
2
3
3
W3EG72256S265JD3
133MHz/266Mb/s
2.5
3
3
W3EG72256S202JD3
100MHz/200Mb/s
2
2
2
Note: Consult factory for availability of lead-free products. (F = Lead-Free, G = RoHS compliant)
Vendor Code: M = Micron, S = Samsung
PACKAGE DIMENSIONS FOR JD3
Height*
30.48 (1.20")
30.48 (1.20")
30.48 (1.20")
30.48 (1.20")
30.48 (1.20")
3.99
(0.157 (2x))
17.78
(0.700)
10.01
(0.394)
6.35
(0.250)
133.48
(5.255" MAX.)
131.34
(5.171")
128.95
(5.077")
64.77
(2.550)
6.35
(0.250)
1.78
(0.070)
3.81
(0.150 MAX)
1.27
49.53 ^{(0.050 TYP.)}
(1.950)
3.99
30.48
(0.157)
(1.20 MAX) _(MIN)
2.31
(0.091)
(2x)
3.00
(0.118)
(4x)
1.27 ± 0.10
(0.050 ± 0.004)
December 2004
Rev. 2
* ALL DIMENSIONS ARE IN MILLIMETERS AND (INCHES)
11
White Electronic Designs Corporation • [phone] • www.wedc.com