Module Dimensions
Figure 3: 240-Pin DDR2 UDIMM
30.5 (1.2)
29.85 (1.175)
Pin 1
17.78 (0.7)
TYP
2.5 (0.098) D
(2X)
2.3 (0.091) TYP
5.0 (0.197) TYP
123.0 (4.84)
TYP
1.0 (0.039)
TYP
0.8 (0.031)
TYP
2.0 (0.079) R
(4X)
0.76 (0.03) R
Pin 120
Front view
133.5 (5.256)
133.2 (5.244)
63.0 (2.48)
TYP
55.0 (2.165)
TYP
10.0 (0.394)
TYP
Back view
Pin 240
Pin 121
1.37 (0.054)
1.17 (0.046)
4.0 (0.157)
MAX
2.2 (0.087) TYP
1.0 (0.039) TYP
3.05 (0.12) TYP
70.68 (2.78)
TYP
U1 U2 U3 U4 U5 U6 U7 U8
U10
U11 U12 U13 U14 U15 U16
U17
U18
45° (4X)
Notes:
1. All dimensions are in millimeters (inches); MAX/MIN or typical (TYP) where noted.
2. The dimensional diagram is for reference only. Refer to the JEDEC MO document for ad-
ditional design dimensions.
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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.
1GB, 2GB, 4GB (x64, DR) 240-Pin DDR2 SDRAM UDIMM
Module Dimensions
PDF: 09005aef83b82bc1
htf16c128_256_512x64az – Rev. E 4/14 EN
16
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© 2009 Micron Technology, Inc. All rights reserved.
