Draft 9/ 9/ 2008
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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 sometimes occur.
512MB, 1GB (x72, ECC, DR) 184-Pin DDR SDRAM UDIMM
Module Dimensions
PDF: 09005aef80814e61/Source: 09005aef807f8acb Micron Technology, Inc., reserves the right to change products or specifications without notice.
DD18C64_128x72A.fm - Rev. D 9/08 EN
13 ©2004 Micron Technology, Inc. All rights reserved.
Module Dimensions
Figure 3: 184-Pin DDR UDIMM
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 addi-
tional design dimensions.
31.9 (1.256)
31.6 (1.244)
17.78 (0.70)
TYP
2.5 (0.098) D
(2X)
2.3 (0.091) TYP
6.35 (0.25) TYP
120.65 (4.75) TYP
1.27 (0.05)
TYP
2.21 (0.087) TYP
1.02 (0.04)
TYP
2.0 (0.079) R
(4X)
Pin 92
Front view
Back view
1.37 (0.054)
1.17 (0.046)
133.50 (5.256)
133.20 (5.244)
64.77 (2.55)
TYP
49.53 (1.95)
TYP
Pin 184
Pin 93
3.8 (0.15)
TYP
10.0 (0.394)
TYP
4.0 (0.157)
MAX
Pin 1
0.90 (0.035) R
U10
U11
U12
U13 U15
U16
U17 U18
U1
U2
U3
U4 U6
U7
U8 U9
U19
U5
U14
1.0 (0.039) TYP
73.41 (2.89)
TYP
