W631GG6KB-15 Datasheet, PDF (149/158 Pages) Winbond – Double Data Rate architecture: two data transfers per clock cycle

W631GG6KB
Table 49 – Derating values DDR3-1333/1600 tIS/tIH - AC/DC based AC175 Threshold
CMD/
ADD
Slew
rate
(V/nS)
4.0 V/nS
ΔtIS ΔtIH
ΔtIS, ΔtIH derating in [pS] AC/DC based
AC175 Threshold -> VIH(AC)=VREF(DC)+175mV, VIL(AC)=VREF(DC)-175mV
CK, CK# Differential Slew Rate
3.0 V/nS
2.0 V/nS
1.8 V/nS
1.6 V/nS
1.4 V/nS
1.2 V/nS
ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH
1.0 V/nS
ΔtIS ΔtIH
2.0
88 50 88 50 88 50 96 58 104 66 112 74 120 84 128 100
1.5
59 34 59 34 59 34 67 42 75 50 83 58 91 68 99 84
1.0
0
0
0
0
0
0
8
8 16 16 24 24 32 34 40 50
0.9
-2 -4 -2 -4 -2 -4
6
4 14 12 22 20 30 30 38 46
0.8
-6 -10 -6 -10 -6 -10 2 -2 10 6 18 14 26 24 34 40
0.7
-11 -16 -11 -16 -11 -16 -3 -8
5
0 13 8 21 18 29 34
0.6
-17 -26 -17 -26 -17 -26 -9 -18 -1 -10 7
-2 15 8 23 24
0.5
-35 -40 -35 -40 -35 -40 -27 -32 -19 -24 -11 -16 -2 -6
5 10
0.4
-62 -60 -62 -60 -62 -60 -54 -52 -46 -44 -38 -36 -30 -26 -22 -10
Table 50 – Derating values DDR3-1333/1600 tIS/tIH - AC/DC based - Alternate AC150 Threshold
CMD/
ADD
Slew
rate
(V/nS)
2.0
1.5
ΔtIS, ΔtIH derating in [pS] AC/DC based
Alternate AC150 Threshold -> VIH(AC)=VREF(DC)+150mV, VIL(AC)=VREF(DC)-150mV
CK, CK# 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
ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH ΔtIS ΔtIH
75 50 75 50 75 50 83 58 91 66 99 74 107 84 115 100
50 34 50 34 50 34 58 42 66 50 74 58 82 68 90 84
1.0
0
0
0
0
0
0
8
8 16 16 24 24 32 34 40 50
0.9
0
-4
0
-4
0
-4
8
4 16 12 24 20 32 30 40 46
0.8
0 -10 0 -10 0 -10 8 -2 16 6 24 14 32 24 40 40
0.7
0 -16 0 -16 0 -16 8 -8 16 0 24 8 32 18 40 34
0.6
-1 -26 -1 -26 -1 -26 7 -18 15 -10 23 -2 31 8 39 24
0.5
-10 -40 -10 -40 -10 -40 -2 -32 6 -24 14 -16 22 -6 30 10
0.4
-25 -60 -25 -60 -25 -60 -17 -52 -9 -44 -1 -36 7 -26 15 -10
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Publication Release Date: Feb. 27, 2013
Revision A04