NTC Proprietary
Level: Property
DDR3(L)-2Gb SDRAM
NT5CB(C)256M8JQ/NT5CB(C)128M16JR
Derating values DDR3L-1866 tIS/tIH - AC/DC based AC125 Threshold
DDR3L Alternate AC125 Threshold -> VIH(AC)=VREF(DC)+125 mV, VIL(AC)=VREF(DC)-125 mV
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
△tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH
2
63
42
45
30
63
42
45
30
63
42
45
30
71
50
53
38
79
58
61
46
87
66
69
54
95
74
79
64
103
82
95
80
1.5
1
0
0
0
0
0
0
8
8
16
16
24
24
32
34
40
50
CMD/ADD
Slew rate
V/ns
0.9
0.8
0.7
0.6
0.5
0.4
3
-3
3
-3
3
-3
11
14
18
24
23
21
5
19
22
26
32
31
29
13
9
27
30
34
40
39
37
21
17
11
-4
35
38
42
48
47
45
31
27
21
14
4
43
46
50
56
55
53
47
43
37
30
20
5
6
-8
6
-8
6
-8
1
10
16
15
13
-13
-20
-30
-45
10
16
15
13
-13
-20
-30
-45
10
16
15
13
-13
-20
-30
-45
-5
3
-12
-22
-37
4
-14
-29
-6
-21
-11
Derating values DDR3-1600 tIS/tIH - AC/DC based AC175 Threshold
DDR3 AC175 Threshold -> VIH(ac)=VREF(dc)+175mV, VIL(ac)=VREF(dc)-175mV
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
△tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH △tIS △tIH
2
88
59
50
34
88
59
50
34
88
59
50
34
96
67
58
42
104
75
66
50
112
83
74
58
120
91
84
68
128
99
100
84
1.5
1
0
0
0
0
0
0
8
8
16
16
24
24
32
34
40
50
CMD/ADD
Slew rate
V/ns
0.9
0.8
0.7
0.6
0.5
0.4
-2
-4
-2
-4
-2
-4
6
2
4
14
10
5
12
6
22
18
13
7
20
14
8
30
26
21
15
-2
30
24
18
8
38
34
29
23
5
46
40
34
24
10
-10
-6
-10
-16
-26
-40
-60
-6
-10
-16
-26
-40
-60
-6
-10
-16
-26
-40
-60
-2
-11
-17
-35
-62
-11
-17
-35
-62
-11
-17
-35
-62
-3
-8
0
-9
-18
-32
-52
-1
-10
-24
-44
-2
-27
-54
-19
-46
-11
-38
-16
-36
-6
-30
-26
-22
Version 1.4
05/2019
144
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