MT41J256M4JP-15E:G Micron Technology Inc, MT41J256M4JP-15E:G Datasheet - Page 182

• Manufacturer Part Number: MT41J256M4JP-15E:G
• Description: IC DDR3 SDRAM 1GBIT 78FBGA
• Manufacturer: Micron Technology Inc
• Series: -r

Specifications of MT41J256M4JP-15E:G

• Format - Memory: RAM
• Memory Type: DDR3 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 667MHz
• Interface: Parallel
• Voltage - Supply: 1.425 V ~ 1.575 V
• Operating Temperature: 0°C ~ 95°C
• Package / Case: 78-TFBGA
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Figure 102: Power-Down Entry After WRITE with Auto Precharge (WRAP)
Figure 103: REFRESH to Power-Down Entry
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf – Rev. J 05/10 EN
DQS, DQS#
Command
Command
Address
DQ BL8
DQ BC4
CKE
CK#
A10
CKE
CK
CK#
CK
WRAP
Valid
T0
T0
NOP
T1
t CK
Notes:
Note:
WL = AL + CWL
NOP
Ta0
REFRESH
T1
1.
2. CKE can go LOW 2
1. After CKE goes HIGH during
t CH
NOP
Ta1
t REFPDEN
t
the next integer
WR is programmed through MR0[11:9] and represents
t CL
NOP
Ta2
t IS
DI
DI
n
n
NOP
T2
n + 1
n + 1
DI
DI
n + 2
n + 2
NOP
Ta3
DI
DI
t CPDED
t WRAPDEN
t
CK.
n + 3
n + 3
DI
DI
t
CK earlier if BC4MRS.
n + 4
Ta4
NOP
DI
NOP
T3
n + 5
182
DI
t
NOP
n + 6
RFC, CKE must remain HIGH until
Ta5
DI
t PD
n + 7
DI
Start internal
t RFC (MIN) 1
precharge
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Ta6
NOP
Ta0
1Gb: x4, x8, x16 DDR3 SDRAM
NOP
Ta7
WR 1
NOP
Ta1
Indicates A Break in
Time Scale
NOP
Tb0
t
WR (MIN)ns/
self refresh entry 2
Power-down or
Indicates A Break In
Time Scale
t IS
Power-Down Mode
Tb1
NOP
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t CKE (MIN)
t XP (MIN)
t
t CPDED
RFC is satisfied.
NOP
Ta2
Transitioning Data
NOP
Tb2
t
CK rounded up to
t PD
Tb3
Valid
Don’t Care
Tb0
Don’t Care
Tb4