adsp-bf548 Analog Devices, Inc., adsp-bf548 Datasheet - Page 77

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

Figure 60. Typical Rise and Fall Times (10% to 90%) vs. Load Capacitance for
30
25
20
15
10
5
0
Figure 61. Typical Fall Time (10% to 90%) vs. Load Capacitance for
132
128
124
120
116
112
108
0
0
50
50
Driver D at V
Driver E at V
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
100
100
DDEXT
DDDDR
= 2.7 V
= 2.7V
150
150
RISE TIME
FALL TIME
200
200
Rev. A | Page 77 of 88 | October 2008
FALL TIME
250
250
Figure 62. Typical Fall Time (10% to 90%) vs. Load Capacitance for
124
120
116
112
108
104
100
0
50
Driver E at V
LOAD CAPACITANCE (pF)
100
DDEXT
= 3.65 V
FALL TIME
150
200
250