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their respective owners.
This data sheet contains minimum and maximum limits specified over the complete power supply and temperature range
for production devices. Although considered final, these specifications are subject to change, as further product
development and data characterization sometimes occur.
2GB, 4GB (x64, DR) 240-Pin DDR3 SDRAM UDIMM
Module Dimensions
PDF: 09005aef82b22503/Source: 09005aef82b224f4 Micron Technology, Inc., reserves the right to change products or specifications without notice.
JTF16C_256_512x64AY.fm - Rev. A 7/07 EN
13 ©2007 Micron Technology, Inc. All rights reserved.
Module Dimensions
Figure 3: 240-Pin DDR3 UDIMM
Notes: 1. All dimensions are in millimeters (inches); MAX/MIN or typical (TYP) where noted.
2. The dimensional diagram is for reference only.
30.50 (1.20)
29.85 (1.175)
PIN 1
17.3 (0.68)
TYP
2.50 (0.098) D
(2X)
2.30 (0.091) TYP
5.0 (0.197) TYP
123.0 (4.84)
TYP
1.0 (0.039)
TYP
0.80 (0.031)
TYP
0.75 (0.03) R
(8X)
0.76 (0.030) R
PIN 120
FRONT VIEW
133.50 (5.256)
133.20 (5.244)
47.0 (1.85)
TYP
71.0 (2.79)
TYP
9.5 (0.374)
TYP
BACK VIEW
PIN 240
PIN 121
1.37 (0.054)
1.17 (0.046)
4.0 (0.157)
MAX
2.20 (0.087) TYP
1.45 (0.057) TYP
3.05 (0.12) TYP
54.68 (2.15)
TYP
3.0 (0.118) x4 TYP
U1
U2 U3 U4
U9
U5 U6 U7 U8
U10 U11 U12 U13 U14 U15 U16 U17
