ADSP-BF538 AD [Analog Devices], ADSP-BF538 Datasheet - Page 44

• Manufacturer Part Number: ADSP-BF538
• Description: Blackfin Embedded Processor
• Manufacturer: AD [Analog Devices]

ADSP-BF538/ADSP-BF538F
OUTPUT DRIVE CURRENTS
Figure 30
voltage characteristics for the output drivers of the ADSP-
BF538/ADSP-BF538F processors. The curves represent the cur-
rent drive capability of the output drivers as a function of output
voltage.
-
-
-
120
100
100
-
-
-
-
150
100
100
150
-
80
60
40
20
20
40
60
80
50
50
0
0
0
0
through
0.5
Figure 31. Drive Current A (High V
Figure 30. Drive Current A (Low V
0.5
Figure 37 on Page 45
1.0
1.0
1.5
SOURCE VOL TAGE (V)
SOURCE VOLTAGE (V)
1.5
2.0
shows typical current-
2.5
V
V
V
D DE XT
D DE XT
D DE XT
DDEXT
DDEXT
2.0
V
V
V
D D EX T
D D EX T
D D EX T
)
)
= 2.25V @ 95°C
= 2.50V @ 25°C
= 2.75V @
V
3. 0
V
OL
OH
= 3.0V @ 95°C
= 3.3V @ 25°C
= 3.6V @
Rev. PrD | Page 44 of 56 | May 2006
V
2.5
OL
-
3.5
40°C
V
-
O H
40°C
3. 0
4.0
-
-
-
-
-
200
150
100
100
150
200
150
100
100
150
-
-
50
50
50
50
0
0
0
0
0.5
Figure 33. Drive Current B (High V
Figure 32. Drive Current B (Low V
0.5
Preliminary Technical Data
1.0
1. 0
1.5
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
2.0
1.5
V
V
2.5
V
D D EX T
DD E XT
D DE XT
DDEXT
DDEXT
V
V
V
2.0
D D EX T
DD E XT
DD E XT
)
= 2. 25V @ 95°C
= 2.50V @ 25° C
)
= 2.75V @
3. 0
= 3.0V @ 95°C
= 3.3V @ 25°C
= 3.6V @
V
2.5
O H
-
3.5
40°C
V
-
V
40°C
OH
OL
V
OL
4.0
3.0