mt18vddt12872 Micron Semiconductor Products, mt18vddt12872 Datasheet - Page 39

• Manufacturer Part Number: mt18vddt12872
• Description: 256mb, 512mb, 1gb, 2gb X72, Ecc, Sr 184-pin Ddr Sdram Rdimm
• Manufacturer: Micron Semiconductor Products

NOTE:
Data Sheet Designation
mum and maximum limits specified over the complete
power supply and temperature range for production
pdf: 09005aef808a331f, source: 09005aef80858037
DD18C32_64_128_256x72G.fm - Rev. E 9/04 EN
0.091 (2.30) TYP.
0.079 (2.00) R
0.098 (2.50) D
E-mail: [e-mail], Internet: http://www.micron.com, Customer Comment Line: 800-932-4992
All dimensions in inches (millimeters);
Released (No Mark): This data sheet contains mini-
(4X)
(2X)
0.091 (2.30)
TYP.
Micron, the M logo, and the Micron logo are trademarks and/or service marks of Micron Technology, Inc.
U10
U1
PIN 184
PIN 1
8000 S. Federal Way, P.O. Box 6, Boise, ID 83707-0006, Tel: [phone]
U11
U2
0.050 (1.27)
Figure 18: Low Profile PCB Dimensions
All other trademarks are the property of their respective owners.
TYP.
U12
2.55 (64.77)
U3
U4
U13
MAX
0.040 (1.02)
MIN
TYP.
or typical where noted.
FRONT VIEW
BACK VIEW
U19
U20
U14
5.256 (133.50)
5.244 (133.20)
4.750 (120.65)
256MB, 512MB, 1GB, 2GB (x72, ECC, SR)
0.250 (6.35) TYP.
U22
U21
U5
39
0.035 (0.90) R
U6
U15
devices. Although considered final, these specifica-
tions are subject to change, as further product devel-
opment and data characterization sometimes occur.
®
Micron Technology, Inc., reserves the right to change products or specifications without notice.
184-PIN DDR SDRAM RDIMM
U7
U16
1.95 (49.53)
U8
U17
U18
U9
PIN 93
0.394 (10.00)
TYP.
©2004 Micron Technology, Inc. All rights reserved.
PIN 92
0.700 (17.78)
TYP.
1.205 (30.61)
1.195 (30.35)
0.125 (3.175)
0.054 (1.37)
0.046 (1.17)
MAX