MT41J256M8HX-125IT:D Micron Technology Inc, MT41J256M8HX-125IT:D Datasheet - Page 184

• Manufacturer Part Number: MT41J256M8HX-125IT:D
• Manufacturer: Micron Technology Inc
• Type: DDR3 SDRAMr

Specifications of MT41J256M8HX-125IT:D

• Organization: 256Mx8
• Address Bus: 18b
• Operating Supply Voltage (typ): 1.5V
• Package Type: FBGA
• Operating Temp Range: -40C to 95C
• Operating Supply Voltage (max): 1.575V
• Operating Supply Voltage (min): 1.425V
• Supply Current: 185mA
• Pin Count: 78
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

Figure 101: Power-Down Entry After WRITE with Auto Precharge (WRAP)
Figure 102: REFRESH to Power-Down Entry
PDF: 09005aef826aaadc
2Gb_DDR3_SDRAM.pdf – Rev. K 04/10 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
184
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
2Gb: 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
© 2006 Micron Technology, Inc. All rights reserved.
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