EDJ1104BBSE, EDJ1108BBSE, EDJ1116BBSE
-GL, -GN
1600
-DG, -DJ
1333
Data rate (Mbps)
Parameter
Symbol
min.
max.
min.
max.
Unit
Notes
Minimum CKE low width for self-
refresh entry to exit timing
tCKE (min.)
+1nCK
tCKE (min.)
+1nCK
tCKESR
Valid clock requirement after self-
tCKSRE
tCKSRE
tCKSRX
tCKSRX
tXS
10
5
10
5
ns
27
27
27
27
27
27
refresh entry or power-down entry
nCK
ns
Valid clock requirement before
self-refresh exit or power-down exit
10
5
10
5
nCK
ns
Exit self-refresh to commands not
requiring a locked DLL
tRFC (min.)
+ 10
5
tRFC (min.)
+ 10
5
tXS
nCK
nCK
Exit self-refresh to commands
requiring a locked DLL
tXSDLL
tDLLK (min.)
tDLLK (min.)
Auto-refresh to active/auto-refresh
command time
tRFC
110
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
5.625
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
tCKE (min.)
9 × tREFI tCKE (min.)
9 × tREFI
15
2
DLL frozen to commands requiring tXPDLL
a locked DLL
24
10
24
10
ns
tXPDLL
nCK
2
Exit power-down with DLL on to
any valid command; Exit precharge
power- down with DLL frozen to
commands not requiring a locked
DLL
tXP
6
6
ns
27
27
tXP
3
1
3
1
nCK
nCK
Command pass disable/enable
delay
tCPDED
Timing of last ACT command to
tACTPDEN
tPRPDEN
tRDPDEN
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
1
1
RL + 4 + 1
RL + 4 + 1
Timing of last WRIT command to
power-down entry
WL + 4 +
WL + 4 +
tWRPDEN
tWRPDEN
nCK
nCK
9
9
tWR/tCK (avg)
tWR/tCK (avg)
(BL8MRS, BL8OTF, BC4OTF)
WL + 2 +
tWR/tCK (avg)
WL + 2 +
tWR/tCK (avg)
(BC4MRS)
Data Sheet E1375E50 (Ver. 5.0)
54
ELPIDA [ ELPIDA MEMORY ]
