Datasheet

Figure 54. Write with autoprecharge to power-down entry
CK#
CMD
BL=4
T0 Tm Tm+1 Tm+2 Tm+3 Tx Tx+1 Tx+2 Tx+3 Tx+4T1 Tx+5 Tx+6
WRA
Q
WL
DQS
CKE
CK
DQS#
t
IS
Q Q Q
DQ
CK#
CMD
BL=8
T0 Tm Tm+1 Tm+2 Tm+3 Tm+4 Tm+5 Tx Tx+1 Tx+2T1 Tx+3 Tx+4
WRA
Q
WL
DQS
CKE
CK
DQS#
Q Q Q
DQ
Q Q Q Q
WR*1
t
IS
PRE
WR*1
PRE
Start internal Precharge
*1: WR is programmed through MRS
Figure 55. Refresh command to power-down entry
CK#
CMD
T0 T2 T3 T4 T5 T6 T7 T8 T9 T10T1
REF
CKE
CK
t
IS
T11
CKE can go to LOW one clock after an Auto-refresh command
Figure 56. Active command to power-down entry
CMD
T0 T2 T3 T4 T5 T6 T7 T8 T9 T10T1
ACT
CKE
t
IS
T11
CKE can go to LOW one clock after an Active command
AS4C64M16D2A-25BIN
AS4C64M16D2A-25BCN
Confidential
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Rev.1.1 October 2017