ADSP-BF537 AD [Analog Devices], ADSP-BF537 Datasheet - Page 50

• Manufacturer Part Number: ADSP-BF537
• Description: Blackfin Embedded Processor
• Manufacturer: AD [Analog Devices]

ADSP-BF534/ADSP-BF536/ADSP-BF537
OUTPUT DRIVE CURRENTS
Figure 35
acteristics for the output drivers of the processors. The curves
represent the current drive capability of the output drivers as a
function of output voltage. See
tion about which driver type corresponds to a particular pin.
-
-
-
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 36. Drive Current A (High V
Figure 35. Drive Current A (Low V
0.5
Figure 46
1.0
1.0
1.5
show typical current-voltage char-
SOURCE VOL TAGE (V)
SOURCE VOLTAGE (V)
Table 9 on Page 19
1.5
2.0
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
for informa-
OH
= 3.0V @ 95°C
= 3.3V @ 25°C
= 3.6V @
Rev. B | Page 50 of 68 | July 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 38. Drive Current B (High V
Figure 37. Drive Current B (Low V
0.5
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