EDJ1108BABG, EDJ1116BABG
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10 Tx Tx+1 Tx+2 Tx+3
CK
/CK
Command
WRITE
Valid
NOP
NOP
BA
tCPDED
tIS
CKE
tWRPDEN
WL=5
tWR
tPD
in in in in in in in in
DQ(BL8)
DQ(BC4)
0
1
2
3
4
5
6
7
in in in in
0
1
2
3
Power-Down Entry after Write
T0
T1
Tn Tn+1
Tx
Ty
CK
/CK
tPD
tIH
tIH
CKE
tIS
tIS
tCPDED
Valid NOP NOP
tCKE (min.)
Command
NOP NOP NOP NOP NOP Valid NOP NOP NOP NOP
N
tXP
Enter power-down mode
Exit power-down
Note: Valid command at T0 is ACT, NOP, DESL or precharge with still one bank remaining open after completion of
precharge command.
Active Power-Down Entry and Exit Timing Diagram
T0
T1
Tn Tn+1
Tx
Ty
CK
/CK
tPD
tIH
tIH
CKE
tIS
tCPDED
tIS
tCKE (min.)
Command
NOP NOP
NOP NOP NOP NOP NOP Valid NOP NOP NOP1NOP N
tXP
Enter power-down mode
Exit power-down
Precharge Power-Down (Fast Exit Mode) Entry and Exit
Data Sheet E1248E40 (Ver. 4.0)
124
ELPIDA [ ELPIDA MEMORY ]
