MT41J256M8HX-15E:D Micron Technology Inc, MT41J256M8HX-15E:D Datasheet - Page 102

• Manufacturer Part Number: MT41J256M8HX-15E:D
• Description: MICMT41J256M8HX-15E:D 2GB:X4,X8,X16 DDR3
• Manufacturer: Micron Technology Inc
• Type: DDR3 SDRAMr
• Series: -r

Specifications of MT41J256M8HX-15E:D

• Organization: 256Mx8
• Address Bus: 18b
• Maximum Clock Rate: 1.333GHz
• 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: 165mA
• Pin Count: 78
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Format - Memory: RAM
• Memory Type: DDR3 SDRAM
• Memory Size: 2G (256M x 8)
• 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: Compliant

Figure 44: Change Frequency During Precharge Power-Down
PDF: 09005aef826aaadc/Source: 09005aef82a357c3
DDR3_D4.fm - Rev G 2/09 EN
DQS, DQS#
Command
Address
ODT
CK#
CKE
DM
DQ
CK
NOP
T0
t AOFPD/ t AOF
t IH
t CH
t CK
power-down mode
Notes:
Enter precharge
t CL
t IS
NOP
Previous clock frequency
T1
t CPDED
been satisfied, the DLL must be reset via the MRS. Depending on the new clock
frequency, additional MRS commands may need to be issued. During the DLL lock time,
R
ready to operate with a new clock frequency. This process is depicted in Figure 44.
1. Applicable for both slow-exit and fast-exit precharge power-down modes.
2.
3. If the R
High-Z
High-Z
TT
t
tion (ODT)” on page 161 for exact requirements).
power-down mode, the ODT signal must be continuously registered LOW ensuring R
an off state. If the R
charge power-down mode, R
tered either LOW or HIGH in this case.
AOFPD and
_
t CKSRE
NOM
NOP
T2
and R
TT
_
NOM
t
Ta0
TT
AOF must be satisfied and outputs High-Z prior to T1 (see “On-Die Termina-
t CKE
feature was enabled in the mode register prior to entering precharge
_
Frequency
WR
change
TT
Tb0
must remain in an off state. After the DLL lock time, the DRAM is
_
NOM
feature was disabled in the mode register prior to entering pre-
102
t CKSRX
TT
Tc0
t IH
will remain in the off state. The ODT signal can be regis-
t CH
b
t CK
power-down mode
b
Exit precharge
t CL
b
t IS
Micron Technology, Inc., reserves the right to change products or specifications without notice.
NOP
Tc1
New clock frequency
2Gb: x4, x8, x16 DDR3 SDRAM
NOP
Td0
t XP
t CH
b
t CK
b
t CL
DLL RESET
b
MRS
Td1
©2006 Micron Technology, Inc. All rights reserved.
Indicates a Break in
Time Scale
t DLLK
NOP
Te0
t IH
t CH
Commands
b
t CK
b
t CL
b
t IS
Valid
Valid
Te1
Don’t Care
TT
is in