DDRSDRAM1111 Datasheet, PDF (50/53 Pages) Samsung semiconductor – DDR SDRAM Specification Version 1.0

128Mb DDR SDRAM
Voltage
(V)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Typical
Low
3.4
6.9
10.3
13.6
16.9
19.6
22.3
24.7
26.9
29.0
30.6
31.8
32.8
33.5
34.0
34.3
34.5
34.8
35.1
35.4
35.6
35.8
36.1
36.3
36.5
36.7
36.8
Pulldown Current (mA)
Typical
High
3.8
7.6
11.4
15.1
18.7
22.1
25.0
28.2
31.3
34.1
36.9
39.5
42.0
44.4
46.6
48.6
50.5
52.2
53.9
55.0
56.1
57.1
57.7
58.2
58.7
59.2
59.6
Minimum
2.6
5.2
7.8
10.4
13.0
15.7
18.2
20.8
22.4
24.1
25.4
26.2
26.6
26.8
27.0
27.2
27.4
27.7
27.8
28.0
28.1
28.2
28.3
28.3
28.4
28.5
28.6
Maximum
5.0
9.9
14.6
19.2
23.6
28.0
32.2
35.8
39.5
43.2
46.7
50.0
53.1
56.1
58.7
61.4
63.5
65.6
67.7
69.8
71.6
73.3
74.9
76.4
77.7
78.8
79.7
Typical
Low
-3.5
-6.9
-10.3
-13.6
-16.9
-19.4
-21.5
-23.3
-24.8
-26.0
-27.1
-27.8
-28.3
-28.6
-28.7
-28.9
-28.9
-29.0
-29.2
-29.2
-29.3
-29.5
-29.5
-29.6
-29.7
-29.8
-29.9
pullup Current (mA)
Typical
High
-4.3
-8.2
-12.0
-15.7
-19.3
-22.9
-26.5
-30.1
-33.6
-37.1
-40.3
-43.1
-45.8
-48.4
-50.7
-52.9
-55.0
-56.8
-58.7
-60.0
-61.2
-62.4
-63.1
-63.8
-64.4
-65.1
-65.8
Minimum
-2.6
-5.2
-7.8
-10.4
-13.0
-15.7
-18.2
-20.4
-21.6
-21.9
-22.1
-22.2
-22.3
-22.4
-22.6
-22.7
-22.7
-22.8
-22.9
-22.9
-23.0
-23.0
-23.1
-23.2
-23.2
-23.3
-23.3
Maximum
-5.0
-9.9
-14.6
-19.2
-23.6
-28.0
-32.2
-35.8
-39.5
-43.2
-46.7
-50.0
-53.1
-56.1
-58.7
-61.4
-63.5
-65.6
-67.7
-69.8
-71.6
-73.3
-74.9
-76.4
-77.7
-78.8
-79.7
Temperature (Tambient)
Table 18. Pull down and pull up current values
Typical
Minimum
Maximum
25°C
70°C
0°C
Vdd/Vddq
Typical
Minimum
Maximum
2.5V
2.3V
2.7V
The above characteristics are specified under best, worst and normal process variation/conditions
- 50 -
REV. 1.0 November. 2. 2000