Datasheet

Figure 96: Precharge Power-Down (Slow-Exit Mode) Entry and Exit
CK
CK#
Command
NOP NOP NOP
CKE
t
CK
t
CH
t
CL
Enter power-down
mode
Exit power-down
mode
t
PD
Valid
2
Valid
1
PRE
t
XPDLL
t
CPDED
t
IS
t
IH
t
IS
T0 T1 T2 T3 T4 Ta Ta1 Tb
NOP
Don’t Care
Indicates break
in time scale
t
XP
t
CKE (MIN)
Notes:
1. Any valid command not requiring a locked DLL.
2. Any valid command requiring a locked DLL.
Figure 97: Power-Down Entry After READ or READ with Auto Precharge (RDAP)
T0 T1 Ta0 Ta1 Ta2 Ta3 Ta4 Ta5 Ta6 Ta7 Ta8 Ta9
Don’t CareTransitioning Data
Ta10 Ta11 Ta12
NOP
Valid
READ/
RDAP
NOP NOP NOP NOP NOP NOP NOP NOP NOP
CK
CK#
Command
DQ BL8
DQ BC4
DQS, DQS#
Address
CKE
t
CPDED
t
IS
t
PD
Power-down or
self refresh entry
Indicates break
in time scale
t
RDPDEN
DI
n + 3
DI
n + 1
DI
n + 2
DI
n
RL = AL + CL
DI
n + 3
DI
n + 2
DI
n + 1
DI
n
DI
n + 6
DI
n + 7
DI
n+ 5
DI
n + 4
8Gb: x4, x8, x16 DDR3L SDRAM
Power-Down Mode
180
Rev.2.0 June 2016
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