MT41J64M16JT Datasheet, PDF (186/214 Pages) Micron Technology – MT41J256M4 – 32 Meg x 4 x 8 banks

1Gb: x4, x8, x16 DDR3 SDRAM
Power-Down Mode
Figure 98: Precharge Power-Down (Fast-Exit Mode) Entry and Exit
CK#
CK
Command
CKE
T0
T1
T2
T3
T4
T5
Ta0
t_CK
t_CH
NOP
t_CL
NOP
t_CPDED
t_IS
t_PD
Enter power-down
mode
NOP
NOP
NOP
t_{CKE (MIN)}
t_IH
t_IS
Exit power-down
mode
t_XP
Indicates break
in time scale
Ta1
Valid
Don’t Care
Figure 99: Precharge Power-Down (Slow-Exit Mode) Entry and Exit
CK#
CK
Command
CKE
T0
T1
T2
T3
T4
Ta
Ta1
Tb
t_CK
PRE
t_CH
NOP
t_CL
NOP
NOP
NOP
Valid¹
t_CPDED
t_IS
Enter power-down
mode
t_{CKE (MIN)}
t_XP
t_IH
t_IS
t_PD
t_XPDLL
Exit power-down
mode
Indicates break
in time scale
Notes: 1. Any valid command not requiring a locked DLL.
2. Any valid command requiring a locked DLL.
Valid²
Don’t Care
PDF: 09005aef826aa906
1Gb_DDR3_SDRAM.pdf - Rev. L 03/13 EN
186
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