EDJ1104BBSE, EDJ1108BBSE, EDJ1116BBSE
AC Characteristics [DDR3-1066, 800]
-AE, -AG
1066
-8A, -8C
800
Data rate (Mbps)
Parameter
Symbol
min.
max.
3333
min.
max.
3333
Unit
ps
Notes
6
Clock cycle time Average CL = X
Minimum clock cycle time
(DLL-off mode)
tCK(avg)
tCK
(DLL-off)
1875
2500
8
8
ns
Average duty cycle high-level
tCH (avg)
0.47
0.47
0.53
0.53
0.47
0.47
0.53
0.53
tCK (avg)
tCK (avg)
Average duty cycle low-level
tCL (avg)
Active to read or write
command delay
13.1 (AE)
12.5 (8A)
tRCD
tRP
ns
ns
ns
ns
26
26
26
26
15 (AG)
15 (8C)
13.1 (AE)
15 (AG)
50.6 (AE)
52.5 (AG)
12.5 (8A)
15 (8C)
50 (8A)
52.5 (8C)
Precharge command period
Active to active/auto-refresh
command time
tRC
9 ×
tREFI
9 ×
tREFI
Active to precharge command
tRAS
37.5
37.5
Active bank A to active bank B
command period
(x4/x8)
Active bank A to active bank B
command period
(x16)
Four active window
(x4/x8)
(x16)
Address and control input hold time
(VIH/VIL (DC) levels)
tRRD
7.5
4
10
4
ns
26, 27
26, 27
26, 27
26, 27
26
tRRD
nCK
ns
tRRD
10
4
10
4
tRRD
nCK
ns
tFAW
37.5
50
200
40
50
275
tFAW
ns
26
tIH (base)
ps
16, 23
Address and control input
setup time
tIS (base)
125
200
ps
ps
16, 23
(VIH/VIL (AC) levels)
Address and control input
tIS (base)
AC150
16, 23,
31
setup time
125 + 150
200 + 150
(VIH/VIL (AC150) levels)
DQ and DM input hold time
tDH (base) 100
tDS (base) 25
150
75
ps
ps
17, 25
17, 25
(VIH/VIL (DC) levels)
DQ and DM input setup time
(VIH/VIL (AC) levels)
Control and Address input pulse
width
tIPW
780
490
900
600
ps
32
32
for each input
DQ and DM input pulse width for
each input
tDIPW
ps
ps
ps
ps
ps
12, 13,
14, 37
12, 13,
14, 37
12, 13,
14, 37
12, 13,
14, 37
DQ high-impedance time
DQ low-impedance time
tHZ (DQ)
tLZ (DQ)
tHZ (DQS)
tLZ (DQS)
300
300
300
300
150
400
400
400
400
200
−600
−600
−800
−800
DQS, /DQS high-impedance time
(RL + BL/2 reference)
DQS, /DQS low-impedance time
(RL − 1 reference)
DQS, /DQS -DQ skew, per group,
per access
/CAS to /CAS command delay
DQ output hold time from
DQS, /DQS
tDQSQ
tCCD
tQH
ps
12, 13
4
4
nCK
12, 13,
38
0.38
0.38
tCK (avg)
Data Sheet E1375E50 (Ver. 5.0)
57
ELPIDA [ ELPIDA MEMORY ]
