W632GG8KB Datasheet, PDF (150/159 Pages) Winbond – 32M X 8 BANKS X 8 BIT DDR3 SDRAM

W632GG8KB
Table 50 – Derating values DDR3-1333/1600 tIS/tIH - AC/DC based AC175 Threshold
CMD/
ADD
Slew
rate
(V/nS)
2.0
4.0 V/nS
ΔtIS ΔtIH
88 50
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
88 50 88 50 96 58 104 66 112 74 120 84
1.0 V/nS
ΔtIS ΔtIH
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 51 – Derating values DDR3-1333/1600 tIS/tIH - AC/DC based - Alternate AC150 Threshold
CMD/
ADD
Slew
rate
(V/nS)
2.0
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
1.5 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: Dec. 08, 2014
Revision: A04