MT41J256M4HX-187E:D Micron Technology Inc, MT41J256M4HX-187E:D Datasheet - Page 129
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MT41J256M4HX-187E:D
Manufacturer Part Number
MT41J256M4HX-187E:D
Description
Manufacturer
Micron Technology Inc
Type
DDR3 SDRAMr
Datasheet
1.MT41J256M4HX-187ED.pdf
(208 pages)
Specifications of MT41J256M4HX-187E:D
Organization
256Mx4
Density
1Gb
Address Bus
17b
Maximum Clock Rate
1.066GHz
Operating Supply Voltage (typ)
1.5V
Package Type
FBGA
Operating Temp Range
0C to 95C
Operating Supply Voltage (max)
1.575V
Operating Supply Voltage (min)
1.425V
Supply Current
190mA
Pin Count
78
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Compliant
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Figure 50: Initialization Sequence
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
V
V
V
DDQ
V
REF
DD
TT
Power-up
ramp
T (MAX) = 200ms
Command
Address
sequence text,
BA[2:0]
RESET#
See power-up
initialization
conditions
ODT
DQS
All voltage
supplies valid
and stable
set up 1
CK#
CKE
A10
DM
R
in the
DQ
CK
t IO z
TT
= 20ns
T = 200µs (MIN)
T (MIN) = 10ns
t VTD
Stable and
valid clock
T = 500µs (MIN)
t CKSRX
DRAM ready for
external commands
t IS
t IS
NOP
T0
t CL
t XPR
t CK
t CL
BA0 = L
BA1 = H
BA2 = L
Code
Code
MR2
MRS
129
T1
t MRD
BA0 = H
BA1 = H
BA2 = L
Code
Code
MR3
MRS
Micron Technology, Inc. reserves the right to change products or specifications without notice.
t MRD
DLL enable
MR1 with
1Gb: x4, x8, x16 DDR3 SDRAM
BA0 = H
BA1 = L
BA2 = L
Code
Code
Ta0
MRS
t MRD
MR0 with
DLL reset
BA0 = L
BA1 = L
BA2 = L
Tb0
Code
Code
MRS
Indicates A Break in
Time Scale
t MOD
© 2006 Micron Technology, Inc. All rights reserved.
ZQ calibration
t DLLK
A10 = H
Tc0
ZQCL
Initialization
t ZQ
init
operation
Normal
Valid
Td0
Valid
Valid
Valid
Valid
Valid
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