HYB25D256[400/800/160]B[T/C](L)
256-Mbit Double Data Rate SDRAM
Electrical Characteristics
Table 17
Weak Strength Driver Pull-down and Pull-up Characteristics
Pulldown Current (mA) Pullup Current (mA)
Voltage (V)
Nominal
Low
Nominal
High
min.
max.
Nominal
Low
Nominal
High
min.
max.
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
3.4
3.8
2.6
5.0
−3.5
−4.3
−2.6
−5.0
6.9
7.6
5.2
9.9
−6.9
−8.2
−5.2
−9.9
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
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
7.8
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
−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
−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
−7.8
−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
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
−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
Table 18
Evaluation Conditions for I/O Driver Characteristics
Parameter
Nominal
25
Minimum
Maximum
0
Operating Temperature
VDD/VDDQ
70
2.5
2.3
2.7
Process Corner
typ.
slow-slow
fast-fast
Data Sheet
59
Rev. 1.21, 2004-07
02102004-TSR1-4ZWW
QIMONDA [ QIMONDA AG ]
