Table 22: Derating Values for
t
IS/
t
IH – AC160/DC90-Based
Δ
t
IS, Δ
t
IH Derating (ps) – AC/DC-Based
CMD/ADDR
Slew Rate
V/ns
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
Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH
2.0 80 45 80 45 80 45 88 53 96 61 104 69 112 79 120 95
1.5 53 30 53 30 53 30 61 38 69 46 77 54 85 64 93 80
1.0 0 0 0 0
0 0
8 8 16 16 24 24 32 34 40 50
0.9 –1 –3 –1 –3
–1 –3
7 5 15 13 23 21 31 31 39 47
0.8 –3 –8 –3 –8 –3 –8 5 1 13 9 21 17 29 27 37 43
0.7 –5 –13 –5 –13 –5 –13 3 –5 11 3 19 11 27 21 35 37
0.6 –8 –20 –8 –20 –8 –20 0 –12 8 –4 16 4 24 14 32 30
0.5 –20 –30 –20 –30 –20 –30 –12 –22 –4 –14 4 –6 12 4 20 20
0.4 –40 –45 –40 –45 –40 –45 –32 –37 –24 –29 –16 –21 –8 –11 0 5
Table 23: Derating Values for
t
IS/
t
IH – AC135/DC90-Based
Δ
t
IS, Δ
t
IH Derating (ps) – AC/DC-Based
CMD/ADDR
Slew Rate
V/ns
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
Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH Δ
t
IS Δ
t
IH
2.0 68 45 68 45 45 45 76 53 84 61 92 69 100 79 108 95
1.5 45 30 45 30 30 30 53 38 61 46 69 54 77 64 85 80
1.0 0 0 0 0
0 0
8 8 16 16 24 24 32 34 40 50
0.9 2 –3 2 –3
2 –3
10 5 18 13 26 21 34 31 42 47
0.8 3 –8 3 –8 3 –8 11 1 19 9 27 17 35 27 43 43
0.7 6 –13 6 –13 6 –13 14 –5 22 3 30 11 38 21 46 37
0.6 9 –20 9 –20 9 –20 17 –12 25 –4 33 4 41 14 49 30
0.5 5 –30 5 –30 5 –30 13 –22 21 –14 29 –6 37 4 45 20
0.4 –3 –45 –3 –45 –3 –45 6 –37 14 –29 22 –21 30 –11 38 5
Table 24: Required Time
t
VAC Above V
IH(AC)
(Below V
IL[AC]
) for Valid ADD/CMD Transition
Slew Rate (V/ns)
t
VAC at 160mV (ps)
t
VAC at 135mV (ps)
>2.0 70 209
2.0 53 198
1.5 47 194
1.0 35 186
0.9 31 184
0.8 26 181
2Gb: x4, x8, x16 DDR3L SDRAM Addendum
Electrical Specifications
PDF: 09005aef83ed2952
2Gb_1_35V_DDR3L.pdf - Rev. E 1/11 EN
20
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