EDJ1104BDSE, EDJ1108BDSE
[Data Setup and Hold Base-Values]
DDR3-1066
tDS(base)
tDH(base)
25
100
DDR3-1333
30
65
DDR3-1600
10
45
Unit
ps
ps
Reference
VIH/VIL(AC)
VIH/VIL(DC)
Note: 1
AC/DC referenced for 1V/ns DQ slew rate and 2V/ns DQS slew rate
[Derating Values of tDS/tDH AC/DC based (DDR3-1066)]
∆tDS, ∆tDH
derating in [ps] AC/DC based
DQS, /DQS differential slew rate
4.0 V/ns
3.0 V/ns
2.0 V/ns
1.8 V/ns
1.6 V/ns
1.4 V/ns
1.2 V/ns
1.0 V/ns
∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH
Unit
2.0
1.5
1.0
DQ
0.9
slew
0.8
rate
(V/ns) 0.7
0.6
0.5
0.4
+88
+59
0
+50
+34
0
+88
+59
0
−2
+50
+34
0
−4
+88
+59
0
−2
−6
+50
+34
0
−4
−10
+67
+8
+6
+2
−3
+42
+8
+4
−2
−8
+16
+14
+10
+5
−1
+16
+12
+6
0
−10
+22
+18
+13
+7
−11
+20
+14
+8
−2
−16
+26
+21
+15
−2
−30
+24
+18
+8
−6
−26
+29
+23
+5
−22
+34
+24
+10
−10
ps
ps
ps
ps
ps
ps
ps
ps
ps
[Derating Values of tDS/tDH AC/DC based (DDR3-1333, 1600)]
∆tDS, ∆tDH
derating in [ps] AC/DC based
DQS, /DQS differential slew rate
4.0 V/ns
3.0 V/ns
2.0 V/ns
1.8 V/ns
1.6 V/ns
1.4 V/ns
1.2 V/ns
1.0 V/ns
∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH ∆tDS ∆tDH
Unit
2.0
1.5
1.0
DQ
0.9
slew
0.8
rate
(V/ns) 0.7
0.6
0.5
0.4
+75
+59
0
+50
+34
0
+75
+59
0
0
+50
+34
0
−4
+75
+59
0
0
+50
+34
0
−4
−10
+58
+8
+8
+8
+8
+42
+8
+4
−2
−8
+16
+16
+16
+16
+15
+16
+12
+6
0
−10
+24
+24
+24
+23
+14
+20
+14
+8
−2
−16
+32
+32
+31
+22
+7
+24
+18
+8
−6
−26
+40
+39
+30
+15
+34
+24
+10
−10
ps
ps
ps
ps
ps
ps
ps
ps
ps
Preliminary Data Sheet E1494E50 (Ver. 5.0)
11
ELPIDA [ ELPIDA MEMORY ]
