W632GU8KB Datasheet, PDF (70/160 Pages) Winbond – 32M X 8 BANKS X 8 BIT DDR3L SDRAM

W632GU8KB
T0
T1
T2
Ta0
Ta1
Tb0
Tb1
Tc0
CK#
CK
Command
CKE
Address
VALID
tIH
VALID
NOP
tIS
NOP
tPD
tCPDED
NOP
tIH
tIS
NOP
NOP
VALID
tCKE
VALID
tXP
VALID
VALID
Enter
Power-Down
Mode
Exit
Power-Down
Mode
TIME BREAK
DON'T CARE
Note:
1. VALID command at T0 is ACT, NOP, DES or PRE with still one bank remaining open after completion of the precharge
command.
Figure 59 – Active Power-Down Entry and Exit Timing Diagram
CK#
CK
Command
CKE
T0
RD or
RDA
T1
Ta0
Ta1
Ta2
Ta3
Ta4
Ta5
Ta6
Ta7
Ta8
Tb0
Tb1
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
tCPDED
tIS
NOP
VALID
VALID
Address
VALID
DQS, DQS#
DQ BL8
DQ BC4
RL = AL + CL
Dout
b
Dout
b+1
Dout
b+2
Dout
b+3
Dout
b+4
Dout
b+5
Dout
b+6
Dout
b+7
Dout
b
Dout
b+1
Dout
b+2
Dout
b+3
tRDPDEN
VALID
tPD
Power-Down
Entery
TIME BREAK
TRANSITIONING DATA
DON'T CARE
Figure 60 – Power-Down Entry after Read and Read with Auto Precharge
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Publication Release Date: Jan. 20, 2015
Revision: A05