ADSP-BF531/ADSP-BF532
12
RISE AND FALL TIME ns (10% to 90%)
CLKOUT (CLKOUT DRIVER), V
DDEXT
(MIN) = 2.25V
30
TMR0 (33MHz DRIVER), V
DDEXT
= 1.7V
10
RISE TIME
8
FALL TIME
RISE AND FALL TIME ns (10% to 90%)
25
RISE TIME
20
6
FALL TIME
15
4
10
2
5
0
0
50
100
150
LOAD CAPACITANCE (pF)
200
250
0
0
50
100
150
LOAD CAPACITANCE (pF)
200
250
Figure 47. Typical Rise and Fall Times (10% to 90%) versus Load Capacitance
for Driver B at V
DDEXT
= 2.25 V
CLKOUT (CLKOUT DRIVER), V
DDEXT
(MAX) =
3.65V
Figure 49. Typical Rise and Fall Times (10% to 90%) versus Load Capacitance
for Driver C at V
DDEXT
= 1.8 V
TMR0 (33MHz DRIVER), V
DDEXT
(MIN) = 2.25V
10
RISE AND FALL TIME ns (10% to 90%)
9
8
30
RISE AND FALL TIME ns (10% to 90%)
RISE TIME
7
6
FALL TIME
5
4
3
2
1
0
0
50
100
150
LOAD CAPACITANCE (pF)
200
250
25
RISE TIME
20
15
FALL TIME
10
5
0
0
50
Figure 48. Typical Rise and Fall Times (10% to 90%) versus Load Capacitance
for Driver B at V
DDEXT
= 3.65 V
100
150
LOAD CAPACITANCE (pF)
200
250
Figure 50. Typical Rise and Fall Times (10% to 90%) versus Load Capacitance
for Driver C at V
DDEXT
= 2.25 V
Rev. D |
Page 47 of 60 |
August 2006
AD [ ANALOG DEVICES ]
