MT46H8M32LFB5-5 IT:H Micron Technology Inc, MT46H8M32LFB5-5 IT:H Datasheet - Page 3
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MT46H8M32LFB5-5 IT:H
Manufacturer Part Number
MT46H8M32LFB5-5 IT:H
Description
IC DDR SDRAM 256MBIT 90VFBGA
Manufacturer
Micron Technology Inc
Type
DDR SDRAMr
Datasheet
1.MT46H16M16LFBF-5H.pdf
(96 pages)
Specifications of MT46H8M32LFB5-5 IT:H
Format - Memory
RAM
Memory Type
Mobile DDR SDRAM
Memory Size
256M (8Mx32)
Speed
200MHz
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Package / Case
90-VFBGA
Organization
8Mx32
Density
256Mb
Address Bus
14b
Access Time (max)
6.5/5ns
Maximum Clock Rate
200MHz
Operating Supply Voltage (typ)
1.8V
Package Type
VFBGA
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
1.95V
Operating Supply Voltage (min)
1.7V
Supply Current
180mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Contents
General Description ......................................................................................................................................... 8
Functional Block Diagrams ............................................................................................................................... 9
Ball Assignments and Descriptions ................................................................................................................. 11
Package Dimensions ...................................................................................................................................... 15
Electrical Specifications .................................................................................................................................. 17
Electrical Specifications – I
Electrical Specifications – AC Operating Conditions ......................................................................................... 24
Output Drive Characteristics ........................................................................................................................... 29
Functional Description ................................................................................................................................... 32
Commands .................................................................................................................................................... 33
Truth Tables ................................................................................................................................................... 40
State Diagram ................................................................................................................................................ 45
Initialization .................................................................................................................................................. 46
Standard Mode Register .................................................................................................................................. 49
Extended Mode Register ................................................................................................................................. 53
Status Read Register ....................................................................................................................................... 55
Bank/Row Activation ...................................................................................................................................... 57
READ Operation ............................................................................................................................................. 58
WRITE Operation ........................................................................................................................................... 69
PRECHARGE Operation .................................................................................................................................. 81
Auto Precharge ............................................................................................................................................... 81
AUTO REFRESH Operation ............................................................................................................................. 87
SELF REFRESH Operation .............................................................................................................................. 88
Power-Down .................................................................................................................................................. 89
Clock Change Frequency ................................................................................................................................ 93
Revision History ............................................................................................................................................. 94
PDF: 09005aef834bf85b
256mb_mobile_ddr_sdram_t36n.pdf - Rev. H 11/09 EN
DESELECT ................................................................................................................................................ 34
NO OPERATION ........................................................................................................................................ 34
LOAD MODE REGISTER ............................................................................................................................ 34
ACTIVE ..................................................................................................................................................... 34
READ ........................................................................................................................................................ 35
WRITE ...................................................................................................................................................... 36
PRECHARGE ............................................................................................................................................. 37
BURST TERMINATE .................................................................................................................................. 38
AUTO REFRESH ........................................................................................................................................ 38
SELF REFRESH ........................................................................................................................................... 39
DEEP POWER-DOWN ................................................................................................................................ 39
Burst Length .............................................................................................................................................. 49
Burst Type ................................................................................................................................................. 50
CAS Latency .............................................................................................................................................. 51
Operating Mode ......................................................................................................................................... 52
Temperature-Compensated Self Refresh .................................................................................................... 53
Partial-Array Self Refresh ........................................................................................................................... 54
Output Drive Strength ................................................................................................................................ 54
Concurrent Auto Precharge ........................................................................................................................ 82
Deep Power-Down .................................................................................................................................... 91
Rev. H, Production – 11/09 .......................................................................................................................... 94
Rev. G, Production – 09/09 .......................................................................................................................... 94
Rev. F, Production – 4/09 ............................................................................................................................ 94
Rev. E, Production – 3/09 ............................................................................................................................ 94
DD
Parameters ........................................................................................................ 20
3
256Mb: x16, x32 Mobile LPDDR SDRAM
Micron Technology, Inc. reserves the right to change products or specifications without notice.
©2008 Micron Technology, Inc. All rights reserved.