mt8htf12864ay Micron Semiconductor Products, mt8htf12864ay Datasheet - Page 18

• Manufacturer Part Number: mt8htf12864ay
• Description: Module Ddr2 Sdram 256mb 240-dimm
• Manufacturer: Micron Semiconductor Products

Module Dimensions
Figure 4: 240-Pin DDR2 UDIMM
2.3 (0.091) TYP
PDF: 09005aef80e2ff8d
htf8c32_64_128x64aypdf - Rev. G 3/10 EN
2.5 (0.098) D
2.0 (0.079) R
Although considered final, these specifications are subject to change, as further product development and data characterization some-
2.21 (0.087) TYP
1.0 (0.039) TYP
45° (4X)
This data sheet contains minimum and maximum limits specified over the power supply and temperature range set forth herein.
(4X)
(2X)
3.04 (0.1197)
TYP
PIN 1
PIN 240
U1
Notes:
U2
55.0 (2.165)
www.micron.com/productsupport Customer Comment Line: 800-932-4992
8000 S. Federal Way, P.O. Box 6, Boise, ID 83707-0006, Tel: [phone]
1.0 (0.039)
Micron and the Micron logo are trademarks of Micron Technology, Inc.
70.66 (2.782)
TYP
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
TYP
All other trademarks are the property of their respective owners.
TYP
U3
additional design dimensions.
256MB, 512MB, 1GB (x64, SR) 240-Pin DDR2 SDRAM UDIMM
No Components This Side of Module
0.8 (0.031)
U4
TYP
5.0 (0.197) TYP
FRONT VIEW
BACK VIEW
133.5 (5.256)
133.2 (5.244)
123.0 (4.840)
TYP
U9
times occur.
0.76 (0.03) R
U5
18
63.0 (2.48)
TYP
U6
Micron Technology, Inc. reserves the right to change products or specifications without notice.
U7
U8
PIN 121
10.0 (0.394)
Module Dimensions
TYP
PIN 120
© 2003 Micron Technology, Inc. All rights reserved.
17.78 (0.7)
TYP
29.85 (1.175)
30.5 (1.2)
0.054 (1.37)
0.046 (1.17)
2.7 (0.106)
MAX