Datasheet

ADSP-BF592
Rev. B | Page 39 of 44 | July 2013
Figure 38. Driver Type A Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V V
DDEXT
)
Figure 39. Driver Type A Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V V
DDEXT
)
Figure 40. Driver Type C Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (1.8V V
DDEXT
)
8
RISE AND FALL TIME (ns)
LOAD CAPACITANCE (pF)
0 50 100 150 250
18
14
0
2
6
12
200
t
RISE
t
FALL
t
FALL
= 2.5V @ 25 ° C
t
RISE
= 2.5V @ 25 ° C
4
10
16
8
RISE AND FALL TIME (ns)
LOAD CAPACITANCE (pF)
0 50 100 150 250
16
12
0
2
4
10
200
t
RISE
t
FALL
6
14
t
FALL
= 3.3V @ 25 ° C
t
RISE
= 3.3V @ 25 ° C
6
RISE AND FALL TIME (ns)
LOAD CAPACITANCE (pF)
0 50 100 150 250
12
10
0
2
4
8
200
t
RISE
t
FALL
t
FALL
= 1.8V @ 25 ° C
t
RISE
= 1.8V @ 25 ° C
Figure 41. Driver Type C Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V V
DDEXT
)
Figure 42. Driver Type C Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V V
DDEXT
)
4
RISE AND FALL TIME (ns)
LOAD CAPACITANCE (pF)
0 50 100 150 250
9
7
0
1
3
6
200
t
RISE
t
FALL
t
FALL
= 2.5V @ 25 ° C
t
RISE
= 2.5V @ 25 ° C
2
5
8
4
RISE AND FALL TIME (ns)
LOAD CAPACITANCE (pF)
0 50 100 150 250
7
6
0
1
2
5
200
t
RISE
t
FALL
3
t
FALL
= 3.3V @ 25 ° C
t
RISE
= 3.3V @ 25 ° C