MT41J256M4HX-187E:D Micron Technology Inc, MT41J256M4HX-187E:D Datasheet - Page 193
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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 113: Dynamic ODT: ODT Pin Asserted with WRITE Command for 6 Clock Cycles, BC4
Figure 114: Dynamic ODT: ODT Pin Asserted with WRITE Command for 4 Clock Cycles, BC4
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
DQS, DQS#
DQS, DQS#
Command
Command
Address
Address
ODT
ODT
CK#
CK#
R
DQ
DQ
R
CK
CK
TT
TT
NOP
NOP
T0
T0
WRS4
WRS4
Valid
Valid
T1
T1
Notes:
Notes:
NOP
NOP
1. Via MRS or OTF. AL = 0, CWL = 5. R
2. ODTH4 is defined from ODT registered HIGH to ODT registered LOW, so in this example,
1. Via MRS or OTF. AL = 0, CWL = 5. R
2. In this example ODTH4 = 4 is satisfied exactly.
T2
T2
ODTL
ODTL
ODTL on
ODTL on
ODTH4 is satisfied. ODT registered LOW at T5 is also legal.
ODT can remain HIGH. R
cnw
cnw
ODTH4
NOP
ODTH4
NOP
T3
T3
WL
WL
NOP
NOP
T4
T4
ODTL
ODTL
t AON (MIN)
t AON (MIN)
cwn
cwn
t ADC (MAX)
t ADC (MAX)
NOP
4
NOP
4
T5
TT(WR)
T5
193
is enabled.
R
R
NOP
TT(WR)
NOP
tt
T6
R
DI
T6
n
DI
n
TT(WR)
_
TT,nom
TT,nom
wr
ODTL off
Micron Technology, Inc. reserves the right to change products or specifications without notice.
n + 1
n + 1
DI
DI
and R
can be either enabled or disabled. If disabled,
NOP
n + 2
NOP
T7
n + 2
DI
T7
DI
1Gb: x4, x8, x16 DDR3 SDRAM
TT(WR)
n + 3
n + 3
DI
DI
NOP
NOP
T8
T8
are enabled.
ODTL off
t ADC (MIN)
t ADC (MAX)
t AOF (MIN)
t AOF (MAX)
NOP
© 2006 Micron Technology, Inc. All rights reserved.
NOP
T9
T9
Transitioning
Transitioning
R
TT,nom
NOP
T10
NOP
T10
t AOF (MIN)
t AOF (MAX)
NOP
Don’t Care
T11
Don’t Care
NOP
T11
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