EDJ1108BABG, EDJ1116BABG
-GL, -GN
1600
-DG, -DJ
1333
Data rate (Mbps)
Parameter
Symbol
tCKSRX
tCKSRX
tXS
min.
max.
min.
10
5
tRFC (min.) +
10
max.
Unit
ns
Notes
27
Valid clock requirement before self-
refresh exit or power-down exit
10
5
nCK
ns
27
tRFC (min.) +
10
5
Exit self-refresh to commands not
requiring
a locked DLL
27
tXS
5
nCK
nCK
27
Exit self-refresh to commands requiring
a locked DLL
tXSDLL
tDLLK (min.)
tDLLK (min.)
Auto-refresh to active/auto-refresh
tRFC
tREFI
110
110
ns
command time
Average periodic refresh interval
(0°C ≤ TC ≤ +85°C)
(+85°C < TC ≤ +95°C)
7.8
3.9
7.8
3.9
µs
tREFI
tCKE
tCKE
tXPR
tXPR
tDLLK
tPD
µs
5
5.625
ns
27
27
27
27
CKE minimum pulse width
(high and low pulse width)
3
3
nCK
ns
tRFC (min.)+10
tRFC (min.)+10
Exit reset from CKE high to a valid
command
5
5
nCK
nCK
DLL locking time
512
512
Power-down entry to exit time
tCKE (min.)
9 × tREFI tCKE (min.)
9 × tREFI
15
2
Exit precharge power-down with DLL
frozen to commands requiring a locked
DLL
Exit power-down with DLL on to any
valid command; Exit precharge power-
down with DLL frozen to commands
not requiring a locked DLL
tXPDLL
tXPDLL
tXP
24
10
6
24
10
6
ns
nCK
ns
2
27
tXP
3
3
nCK
27
Command pass disable/enable delay tCPDED
Timing of last ACT command to power-
1
1
1
1
nCK
nCK
tACTPDEN
20
20
down entry
Timing of last PRE command to power-
tPRPDEN
tRDPDEN
1
1
nCK
nCK
down entry
Timing of last READ/READA command
to power-down entry
RL + 4 + 1
RL + 4 + 1
Timing of last WRIT command to
WL + 4 +
WL + 4 +
power-down entry
tWRPDEN
tWRPDEN
tWRAPDEN
nCK
nCK
nCK
9
tWR/tCK (avg)
tWR/tCK (avg)
(BL8MRS, BL8OTF, BC4OTF)
WL + 2 +
tWR/tCK (avg)
WL + 2 +
tWR/tCK (avg)
(BC4MRS)
9
Timing of last WRITA command to
power-down entry
(BL8MRS, BL8OTF, BC4OTF)
WL + 4 +
WR + 1
WL + 4 +
WR + 1
10
WL + 2 +
WR + 1
WL + 2 +
WR + 1
(BC4MRS)
tWRAPDEN
tREFPDEN
nCK
nCK
10
Timing of last REF command to power-
down entry
1
1
20, 21
Timing of last MRS command to
power-down entry
tMRSPDEN tMOD (min.)
tMOD (min.)
Data Sheet E1248E40 (Ver. 4.0)
52
ELPIDA [ ELPIDA MEMORY ]
