EDJ1108BABG, EDJ1116BABG
Timing Diagrams for Proposed CKE with Power-Down Entry, Power-Down Exit
T0
T1
T5
T6
T7
T8
T9
T10
T11
T12
Tx
Tx+1
/CK
CK
Command
READ
Valid
NOP
NOP
BA
tCPDED
tRDPDEN
tIS
VIH
CKE
RL = CL + AL = 5 (AL = 0)
tPD
out out out out out out out out
DQ(BL8)
DQ(BC4)
0
1
2
3
4
5
6
7
out out out out
0
1
2
3
Power-Down Entry after Read and Read with Auto Precharge
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10 T14 T15
T16 T17 T18 Tn
CK
/CK
Command
NOP
NOP
NOP
WRITA
Valid
BA
tCPDED
tIS
CKE
tWRAPDEN
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
Start Internal
Precharge
Note: tWR is programmed through MRS.
Power-Down Entry After Write with Auto Precharge
Data Sheet E1248E40 (Ver. 4.0)
123
ELPIDA [ ELPIDA MEMORY ]
