Module Dimensions
Figure 3: 240-Pin DDR2 UDIMM
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 (4.840)
TYP
1.0 (0.039)
TYP
0.8 (0.031)
TYP
2.0 (0.079) R
(4X)
0.75 (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
0.054 (1.37)
0.046 (1.17)
4.0 (0.157)
MAX
70.66 (2.782)
TYP
2.2 (0.087) TYP
3.04 (0.1197)
TYP
1.0 (0.039) TYP
30.5 (1.2)
29.85 (1.175)
45° (4X)
U1
U2
U3 U4 U5
U10
U6
U7
U8
U9
U11
U12 U13 U14
U15
U16 U17
U18
U19
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
additional 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.
512MB, 1GB, 2GB, 4GB (x72, DR) 240-Pin DDR2 SDRAM UDIMM
Module Dimensions
PDF: 09005aef80e8ad4d
htf18c64_128_256_512x72ay – Rev. I 3/10 EN
22
Micron Technology, Inc. reserves the right to change products or specifications without notice.
© 2003 Micron Technology, Inc. All rights reserved.
