adsp-bf548 Analog Devices, Inc., adsp-bf548 Datasheet - Page 76

• Manufacturer Part Number: adsp-bf548
• Description: Blackfin Embedded Processor
• Manufacturer: Analog Devices, Inc.

ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Figure 54. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
Figure 55. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
Figure 56. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
12
10
10
12
10
8
6
4
2
0
9
8
7
6
5
4
3
2
1
0
8
6
4
2
0
0
0
0
50
50
50
Driver A at V
Driver B at V
Driver B at V
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
100
100
100
RISE TIME
RISE TIME
DDEXT
DDEXT
DDEXT
RISE TIME
= 2.25 V
= 3.65 V
= 3.65 V
150
150
150
FALL TIME
FALL TIME
FALL TIME
200
200
200
Rev. A | Page 76 of 88 | October 2008
250
250
250
Figure 57. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
Figure 58. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
Figure 59. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
20
18
16
14
12
10
30
25
20
15
10
30
25
20
15
10
8
6
4
2
0
5
0
5
0
0
0
0
50
50
50
Driver C at V
Driver C at V
Driver D at V
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
100
100
100
RISE TIME
DDEXT
DDEXT
RISE TIME
DDDDR
= 2.25 V
= 3.65 V
= 2.5V
150
150
150
RISE TIME
FALL TIME
FALL TIME
200
200
200
FALL TIME
250
250
250