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ADSP-BF523_15 Datasheet, PDF (78/88 Pages) Analog Devices – Blackfin Embedded Processor
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ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527
16
14
12
tRISE
10
tFALL
8
6
4
2
tRISE = 2.5V @ 25°C
tFALL = 2.5V @ 25°C
0
0
50
100
150
200
LOAD CAPACITANCE (pF)
Figure 68. Driver Type C Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V VDDEXT/VDDMEM)
14
12
tRISE
10
8
tFALL
6
4
2
tRISE = 3.3V @ 25°C
t = 3.3V @ 25°C
FALL
0
0
50
100
150
200
LOAD CAPACITANCE (pF)
Figure 69. Driver Type C Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V VDDEXT/VDDMEM)
14
12
tRISE
10
tFALL
8
6
4
2
tRISE = 1.8V @ 25°C
tFALL = 1.8V @ 25°C
0
0
50
100
150
200
LOAD CAPACITANCE (pF)
Figure 70. Driver Type D Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (1.8V VDDEXT/VDDMEM)
10
9
8
7
tRISE
6
tFALL
5
4
3
2
1
tRISE = 2.5V @ 25°C
tFALL = 2.5V @ 25°C
0
0
50
100
150
200
LOAD CAPACITANCE (pF)
Figure 71. Driver Type D Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V VDDEXT/VDDMEM)
8
7
6
tRISE
5
tFALL
4
3
2
1
tRISE = 3.3V @ 25°C
tFALL = 3.3V @ 25°C
0
0
50
100
150
200
LOAD CAPACITANCE (pF)
Figure 72. Driver Type D Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V VDDEXT/VDDMEM)
9
8
tRISE
7
6
5
tFALL
4
3
2
1
tRISE = 1.8V @ 25°C
tFALL = 1.8V @ 25°C
0
0
50
100
150
200
LOAD CAPACITANCE (pF)
Figure 73. Driver Type G Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (1.8V VDDEXT/VDDMEM)
Rev. D | Page 78 of 88 | July 2013
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