EDE5104AGSE, EDE5108AGSE
Read with Auto Precharge to Power-Down Entry
T0
T1
T2
Tx
Tx+1 Tx+2 Tx+3 Tx+4 Tx+5 Tx+6 Tx+7 Tx+8 Tx+9
/CK
CK
READ
PRE
Command
AL + BL/2
BL=4
with tRTP = 7.5ns
and tRAS min. satisfied
CKE should be kept high
until the end of burst operation.
CKE
DQS
/DQS
AL + CL
out out out out
DQ
0
1
2
3
T0
T1
T2
Tx
Tx+1 Tx+2 Tx+3 Tx+4 Tx+5 Tx+6 Tx+7 Tx+8 Tx+9
Start internal precharge
PRE
Command
CKE
READ
AL + BL/2
with tRTP = 7.5ns
and tRAS min. satisfied
BL=8
CKE should be kept high
until the end of burst operation.
DQS
/DQS
AL+CL
out out out out out out out out
DQ
0
1
2
3
4
5
6
7
Write to Power-Down Entry
T0
T1
Tm
Tm+1 Tm+2 Tm+3 Tx
Tx+1 Tx+2 Ty
Ty+1 Ty+2 Ty+3
/CK
CK
Command
WRIT
CKE
tWTR
DQS
WL
/DQS
in
0
in
1
in
2
in
3
DQ
BL=4
T0
T1
Tm
Tm+1 Tm+2 Tm+3 Tm+4 Tm+5 Tx
Tx+1 Tx+2 Tx+3 Tx+4
Command
CKE
WRIT
tWTR
DQS
/DQS
WL
in
0
in
1
in
2
in
3
in
4
in
5
in
6
in
7
DQ
BL=8
Preliminary Data Sheet E0715E20 (Ver. 2.0)
57
ELPIDA [ ELPIDA MEMORY ]
