MT46H32M32LFCM-6:A TR Micron Technology Inc, MT46H32M32LFCM-6:A TR Datasheet - Page 44
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MT46H32M32LFCM-6:A TR
Manufacturer Part Number
MT46H32M32LFCM-6:A TR
Description
IC DDR SDRAM 1GBIT 90VFBGA
Manufacturer
Micron Technology Inc
Type
DDR SDRAMr
Specifications of MT46H32M32LFCM-6:A TR
Format - Memory
RAM
Memory Type
Mobile DDR SDRAM
Memory Size
1G (32M x 32)
Speed
166MHz
Interface
Parallel
Voltage - Supply
1.7 V ~ 1.95 V
Operating Temperature
0°C ~ 70°C
Package / Case
90-VFBGA
Organization
32Mx32
Density
1Gb
Address Bus
13b
Access Time (max)
6.5/5.5ns
Maximum Clock Rate
166MHz
Operating Supply Voltage (typ)
1.8V
Package Type
VFBGA
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
1.95V
Operating Supply Voltage (min)
1.7V
Supply Current
140mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
557-1334-2
State Diagram
Figure 14: Simplified State Diagram
PDF: 09005aef82ce3074
1gb_ddr_mobile_sdram_t48m.pdf - Rev. L 04/10 EN
ACT = ACTIVE
AREF = AUTO REFRESH
BST = BURST TERMINATE
CKEH = Exit power-down
CKEL = Enter power-down
DPD = Enter deep power-down
applied
Power
WRITE
LMR
PRE
PREALL
Power
PRE
EMR
LMR
WRITE A
on
WRITING
WRITING
power-
Active
down
DPDX = Exit deep power-down
EMR = LOAD EXTENDED MODE REGISTER
LMR = LOAD MODE REGISTER
PRE = PRECHARGE
PREALL = PRECHARGE all banks
READ = READ w/o auto precharge
DPDX
WRITE
LMR
CKEL
power-
down
Deep
WRITE A
WRITE A
CKEH
PRE
DPD
Precharging
precharged
all banks
active
44
Row
Idle:
ACT
PRE
SREF
READ A
WRITE
READ
CKEH
refresh
READ A
PRE
Self
SREFX
1Gb: x16, x32 Mobile LPDDR SDRAM
Micron Technology, Inc. reserves the right to change products or specifications without notice.
SRR
CKEL
READ
Precharge
AREF
power-
down
terminate
READING
READING
BST
Burst
SRR
READ A
READ A = READ w/ auto precharge
SREF = Enter self refresh
SREFX = Exit self refresh
SRR = STATUS REGISTER READ
WRITE = WRITE w/o auto precharge
WRITE A = WRITE w/ auto precharge
refresh
Automatic sequence
Command sequence
Auto
READ
READ
© 2007 Micron Technology, Inc. All rights reserved.
READ
State Diagram