Figure 5: 240-Pin DDR2 RDIMM – 4GB
Pin 1
17.78 (0.70)
TYP
2.50 (0.098) D
(2X)
2.30 (0.091) TYP
5.0 (0.197) TYP
123.0 (4.840)
TYP
1.0 (0.039)
TYP
0.80 (0.031)
TYP
2.0 (0.079) R
(4X)
0.76 (0.030) R
Pin 120
Front view
133.50 (5.256)
133.20 (5.244)
63.0 (2.48)
TYP
55.0 (2.165)
TYP
10.0 (0.394)
TYP
Back view
Pin 240
Pin 121
0.054 (1.37)
0.046 (1.17)
4.0 (0.157)
MAX
70.66 (2.782)
TYP
2.21 (0.087) TYP
3.04 (0.1197)
TYP
1.0 (0.039) TYP
U1
U2
U3
U4 U5
U6
U7
U17
U8
U9 U10 U11
U12
U13
U14
U15 U16 U18 U19
U20 U21
U22
U23 U24 U25
U26
U36
U37
U27
U28
U29
U30 U31
U32 U33 U34 U38
U39
U40
U35
30.50 (1.20)
29.85 (1.175)
Notes:
1. All dimensions are in millimeters (inches); MAX/MIN or typical (TYP) where noted.
2. The dimensional diagram is for reference only.
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www.micron.com/productsupport Customer Comment Line: 800-932-4992
Micron and the Micron logo are trademarks of Micron Technology, Inc.
All other trademarks are the property of their respective owners.
This data sheet contains minimum and maximum limits specified over the power supply and temperature range set forth herein.
Although considered final, these specifications are subject to change, as further product development and data characterization some-
times occur.
2GB, 4GB (x72, ECC, DR) 240-Pin DDR2 SDRAM RDIMM
Module Dimensions
PDF: 09005aef818e3fc8
htf36c256_512x72py.pdf - Rev. D 3/10 EN
19
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2005 Micron Technology, Inc. All rights reserved.
