EDJ1108BABG, EDJ1116BABG
-AC, -AE, -AG
1066
-8A, -8C
800
Data rate (Mbps)
Parameter
Symbol
tXSDLL
min.
max.
min.
max.
Unit
nCK
Notes
Exit self-refresh to commands
requiring a locked DLL
Auto-refresh to active/auto-refresh
command time
tDLLK (min.)
110
tDLLK (min.)
tRFC
110
ns
Average periodic refresh interval
tREFI
tREFI
tCKE
tCKE
tXPR
7.8
3.9
7.8
3.9
µs
(0°C ≤ TC ≤ +85°C)
(+85°C < TC ≤ +95°C)
CKE minimum pulse width
(high and low pulse width)
µs
5.625
7.5
ns
27
27
27
27
3
3
nCK
ns
Exit reset from CKE high to a valid
command
tRFC(min.)+10
tRFC(min.)+10
tXPR
tDLLK
tPD
5
5
nCK
nCK
DLL locking time
512
512
Power-down entry to exit time
Exit precharge power-down with DLL
tCKE (min.)
9 × tREFI tCKE (min.)
9 × tREFI
15
2
frozen to commands requiring a locked tXPDLL
DLL
24
24
ns
tXPDLL
10
10
nCK
ns
2
Fast exit/active precharge power-down
tXP
7.5
7.5
27
27
to any command
tXP
3
1
3
1
nCK
nCK
Command pass disable/enable delay tCPDED
Timing of last ACT command to
tACTPDEN
1
1
nCK
nCK
nCK
20
20
power-down entry
Timing of last PRE command to
power-down entry
Timing of last READ/READA
command to power-down entry
tPRPDEN
tRDPDEN
1
1
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)
56
ELPIDA [ ELPIDA MEMORY ]
