EDJ1108BABG, EDJ1116BABG
[Data Setup and Hold Base-Values]
DDR3-800
DDR3-1066
DDR3-1333
DDR3-1600
Unit
ps
Reference
tDS(base)
tDH(base)
75
25
30
65
10
45
VIH/VIL(AC)
VIH/VIL(DC)
150
100
ps
Notes: 1 AC/DC referenced for 1V/ns DQ slew rate and 2V/ns DQS slew rate.
[Derating Values of tDS/tDH AC/DC based (DDR3-800, 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 +88 +50 +88 +50 +88 +50
ps
1.5 +59 +34 +59 +34 +59 +34 +67 +42
ps
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0
0
0
0
0
0
+8
+6
+8
+4
−2
−8
+16 +16
ps
DQ
−2
−4
−2
−6
−4
+14 +12 +22 +20
ps
ps
slew
rate
−10 +2
−3
+10 +6
+18 +14 +26 +24
(V/ns)
+5
0
+13 +8
−10 +7 −2
−11 −16 −2
−30 −26 −22 −10 ps
+21 +18 +29 +34 ps
−1
+15 +8
−6
+23 +24 ps
+5 +10 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 +75 +50 +75 +50 +75 +50
ps
1.5 +59 +34 +59 +34 +59 +34 +58 +42
ps
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0
0
0
0
0
0
0
0
+8
+8
+8
+4
−2
−8
+16 +16
ps
DQ
−4
−4
+16 +12 +24 +20
ps
ps
slew
rate
−10 +8
+16 +6
+16
+15 −10 +23 −2
+14 −16 +22 −6
+7
+24 +14 +32 +24
(V/ns)
+8
0
+24 +8
+32 +18 +40 +34 ps
+31 +8
+39 +24 ps
+30 +10 ps
−26 +15 −10 ps
Data Sheet E1248E40 (Ver. 4.0)
12
ELPIDA [ ELPIDA MEMORY ]
