MT18VDVF12872DG-40BF1 Micron Technology Inc, MT18VDVF12872DG-40BF1 Datasheet - Page 28
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MT18VDVF12872DG-40BF1
Manufacturer Part Number
MT18VDVF12872DG-40BF1
Description
MODULE DDR 1GB 184-DIMM VLP
Manufacturer
Micron Technology Inc
Specifications of MT18VDVF12872DG-40BF1
Memory Type
DDR SDRAM
Memory Size
1GB
Speed
400MT/s
Package / Case
184-DIMM
Main Category
DRAM Module
Sub-category
DDR SDRAM
Module Type
184VLPRDIMM
Device Core Size
72b
Organization
128Mx72
Total Density
1GByte
Chip Density
512Mb
Maximum Clock Rate
400MHz
Operating Supply Voltage (typ)
2.6V
Operating Current
1.8A
Number Of Elements
18
Operating Supply Voltage (max)
2.7V
Operating Supply Voltage (min)
2.5V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Pin Count
184
Mounting
Socket
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Figure 10:
PDF: 09005aef81c73825/Source: 09005aef81c73837
DVF18C64_128x72D_2.fm - Rev. A 8/05 EN
Initialization Flow Diagram
Step
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
Configure Load Mode Register and reset DLL
Assert NOP or DESELECT commands for t RFC
Optional LMR command to clear DLL bit
Assert NOP or DESELECT for t MRD time
Assert NOP or DESELECT for t MRD time
Assert NOP or DESELECT for t MRD time
DRAM is ready for any valid command
Assert NOP or DESELECT for t RFC time
Bring CKE High with a NOP command
Assert NOP or DESELECT for t RP time
Assert NOP or DESELECT for t RP time
Configure Extended Mode Register
Issue AUTO REFRESH command
Issue AUTO REFRESH command
CKE must be LVCMOS Low
Apply stable CLOCKs
V
Wait at least 200µs
Apply V
DD
PRECHARGE ALL
PRECHARGE ALL
and V
REF
DD
and V
Q Ramp
512MB, 1GB: (x72, DR) 184-Pin DDR VLP RDIMM
TT
28
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2003, 2004, 2005 Micron Technology, Inc. All rights reserved.
Initialization