NTC Proprietary
Level: Property
DDR3(L)-2Gb SDRAM
NT5CB(C)256M8JQ/NT5CB(C)128M16JR
Derating values DDR3-1600 tIS/tIH - AC/DC based AC150 Threshold
DDR3 Alternate AC150 Threshold -> VIH(ac)=VREF(dc)+150mV, VIL(ac)=VREF(dc)-150mV
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
75
50
50
34
75
50
50
34
75
50
50
34
83
58
58
42
91
66
66
50
99
74
74
58
107
82
84
68
115
90
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
0
0
-4
0
0
-4
0
0
-4
8
8
4
16
16
16
15
6
12
6
24
24
24
23
14
-1
20
14
8
32
32
32
31
22
7
30
24
18
8
40
40
40
39
30
15
46
40
34
24
10
-10
-10
-16
-26
-40
-60
-10
-16
-26
-40
-60
-10
-16
-26
-40
-60
-2
0
0
0
8
-8
0
-1
-1
-1
7
-18
-32
-52
-10
-24
-44
-2
-10
-25
-10
-25
-10
-25
-2
-17
-16
-36
-6
-9
-26
Derating values DDR3-1866/2133 tIS/tIH - AC/DC based AC135 Threshold
DDR3 Alternate AC135 Threshold -> VIH(ac)=VREF(dc)+135mV, VIL(ac)=VREF(dc)-135mV
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
68
45
50
34
68
45
50
34
68
45
50
34
76
53
58
42
84
61
66
50
92
69
74
58
100
77
84
68
108
85
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
3
-4
2
3
-4
2
3
-4
10
11
14
17
13
6
4
18
19
22
25
21
14
12
6
26
27
30
33
29
22
20
14
8
34
35
38
41
37
30
30
24
18
8
42
43
46
49
45
38
46
40
34
24
10
-10
-10
-16
-26
-40
-60
-10
-16
-26
-40
-60
-10
-16
-26
-40
-60
-2
6
6
6
-8
0
9
9
9
-18
-32
-52
-10
-24
-44
-2
5
5
5
-16
-36
-6
-3
-3
-3
-26
Version 1.4
05/2019
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