IS43TR16256A(2012) View Datasheet(PDF) - Integrated Silicon Solution
Part Name
Description
Manufacturer
IS43TR16256A Datasheet PDF : 81 Pages
| |||
IS43/46TR16256A, IS43/46TR16256AL,
IS43/46TR85120A, IS43/46TR85120AL
9.6.2 Derating values DDR3-800/1066 tDS/tDH - (AC175)
AtDS, ADH derating in [ps] AC/DC based1
DQS, DQS# 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
AtDS AtDH AtDS AtDH AtDS AtDH AtDS
2.0 88 50 88 50 88 50
-
1.5 59 34 59 34 59 34 67
1.0 0
DQ 0.9 -
Slew
rate
0.8
-
V/ns 0.7 -
0
0
0
0
0
8
-
-2
-4
-2
-4
6
-
-
-
-6
-10
2
-
-
-
-
-
-3
0.6 -
-
-
-
-
-
-
0.5 -
-
-
-
-
-
-
0.4 -
-
-
-
-
-
-
NOTE 1. Cell contents shaded in red are defined as ‘not supported’.
AtDH
-
42
8
4
-2
-8
-
-
-
AtDS
-
-
16
14
10
5
-1
-
-
AtDH
-
-
16
12
6
0
-10
-
-
AtDS
-
-
-
22
18
13
7
-11
-
AtDH
-
-
-
20
14
8
-2
-16
-
1.2 V/ns
AtDS
-
-
-
-
26
21
15
-2
-30
AtDH
-
-
-
-
24
18
8
-6
-26
1.0 V/ns
AtDS
-
-
-
-
-
29
23
5
-22
AtDH
-
-
-
-
-
34
24
10
-10
9.6.3 Derating values for DDR3-800/1066/1333/1600 tDS/tDH - (AC150)
AtDS, ADH derating in [ps] AC/DC based1
DQS, DQS# 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
AtDS AtDH AtDS AtDH AtDS AtDH AtDS
2.0 75 50 75 50 75 50
-
1.5 50 34 50 34 50 34 58
1.0 0
0
0
0
0
0
8
0.9 -
-
0
-4
0
-4
8
DQ
Slew
0.8
-
-
-
-
0
-10
8
rate 0.7 -
-
-
-
-
-
8
V/ns 0.6 -
-
-
-
-
-
-
0.5 -
-
-
-
-
-
-
0.4 -
-
-
-
-
-
-
NOTE 1. Cell contents shaded in red are defined as ‘not supported’.
AtDH
-
42
8
4
-2
-8
-
-
-
AtDS
-
-
16
16
16
16
15
-
-
AtDH
-
-
16
12
6
0
-10
-
-
AtDS
-
-
-
24
24
24
23
14
-
AtDH
-
-
-
20
14
8
-2
-16
-
1.2 V/ns
AtDS
-
-
-
-
32
32
31
22
7
AtDH
-
-
-
-
24
18
8
-6
-26
1.0 V/ns
AtDS
-
-
-
-
-
40
39
30
15
AtDH
-
-
-
-
-
34
24
10
-10
9.6.4 Required time tVAC above VIH(ac) {below VIL(ac)} for valid transition
Slew Rate [V/ns]
DDR3-800/1066 (AC175)
DDR3-800/1066/1333/1600 (AC150)
Slew Rate [V/ns]
tVAC [ps]
tVAC [ps]
min
max
min
max
> 2.0
75
2.0
57
1.5
50
1.0
38
0.9
34
0.8
29
0.7
22
0.6
13
0.5
0
< 0.5
0
-
175
-
-
170
-
-
167
-
-
163
-
-
162
-
-
161
-
-
159
-
-
155
-
-
155
-
-
150
-
Integrated Silicon Solution, Inc. – www.issi.com –
74
Rev. 00A
11/14/2012
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