ADSP-TS202S
Rev. C
|
Page 39 of 48
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December 2006
Figure 41. Typical Output Rise and Fall Time (10% to 90%, VDD_IO =2.5 V)
vs. Load Capacitance at Strength 4
Figure 42. Typical Output Rise and Fall Time (10% to 90%, VDD_IO =2.5 V)
vs. Load Capacitance at Strength 5
Figure 43. Typical Output Rise and Fall Time (10% to 90%, VDD_IO =2.5 V)
vs. Load Capacitance at Strength 6
R
IS
E
A
N
D
F
A
L
T
IM
E
S
(n
s
)
LOAD CAPACITANCE (pF)
0
10
20
30
40
50
60
70
80
90
100
0
5
10
15
20
25
STRENGTH 4
(VDD_IO =2.5V)
RISE TIME
Y = 0.0573x + 0.9789
FALL TIME
Y = 0.0592x + 1.0629
R
IS
E
A
N
D
F
A
L
T
IM
E
S
(n
s
)
LOAD CAPACITANCE (pF)
0
10
20
30
40
50
60
70
80
90
100
0
5
10
15
20
25
RISE TIME
Y = 0.0481
x +0.7889
FALL TIME
Y = 0.0493x + 0.8389
STRENGTH 5
(VDD_IO =2.5V)
R
IS
E
A
N
D
F
A
L
T
IM
E
S
(n
s
)
LOAD CAPACITANCE (pF)
0
10
20
30
40
50
60
70
80
90
100
0
5
10
15
20
25
RISE TIME
Y = 0.0377
x +0.7449
FALL TIME
Y = 0.0374x + 0.851
STRENGTH 6
(VDD_IO =2.5V)
Figure 44. Typical Output Rise and Fall Time (10% to 90%, VDD_IO =2.5 V)
vs. Load Capacitance at Strength 7
Figure 45. Typical Output Valid (VDD_IO = 2.5 V) vs. Load Capacitance at Max
Case Temperature and Strength 0 to 71
1 The line equations for the output valid vs. load capacitance are:
Strength 0: y = 0.0956x + 3.5662
Strength 1: y = 0.0523x + 3.2144
Strength 2: y = 0.0433x + 3.1319
Strength 3: y = 0.0391x + 2.9675
Strength 4: y = 0.0393x + 2.7653
Strength 5: y = 0.0373x + 2.6515
Strength 6: y = 0.0379x + 2.1206
Strength 7: y = 0.0399x + 1.9080
R
IS
E
A
N
D
F
A
L
T
IM
E
S
(n
s
)
LOAD CAPACITANCE (pF)
0
10
20
30
40
50
60
70
80
90
100
0
5
10
15
20
25
STRENGTH 7
(VDD_IO =2.5V)
RISE TIME
Y = 0.0321
x +0.6512
FALL TIME
Y = 0.0313x + 0.818
0
102030
405060
708090
100
0
5
10
15
O
U
T
P
U
T
V
A
L
ID
(n
s
)
LOAD CAPACITANCE (pF)
1
2
3
4
5
6
7
STRENGTH 0–7
(VDD_IO =2.5V)
0