ADSP-BF531 Analog Devices, ADSP-BF531 Datasheet - Page 39

• Manufacturer Part Number: ADSP-BF531
• Description: Blackfin Embedded Processor
• Manufacturer: Analog Devices

OUTPUT DRIVE CURRENTS
Figure 25
acteristics for the output drivers of the ADSP-BF531/2/3
processor. The curves represent the current drive capability of
the output drivers as a function of output voltage.
–100
–150
–100
–150
150
100
150
100
–50
–50
50
50
0
0
0
0
through
0.5
Figure 26. Drive Current A (High V
Figure 25. Drive Current A (Low V
0.5
Figure 32
1.0
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
1.0
show typical current-voltage char-
1.5
1.5
2.0
DDEXT
DDEXT
2.0
V DDEXT = 2.25V @ 95 ° C
V DDEXT = 2.50V @ 25 ° C
V DDEXT = 2.75V @ –40 ° C
V DDEXT = 2.95V @ 95 ° C
V DDEXT = 3.30V @ 25 ° C
V DDEXT = 3.65V @ –40 ° C
2.5
)
)
Rev. 0 | Page 39 of 56 | March 2004
2.5
3.0
V
V
V
V OL
OH
OL
OH
3.5
3.0
ADSP-BF531/ADSP-BF532/ADSP-BF533
–100
–150
–100
–150
150
100
–50
150
100
–50
50
50
0
0
0
0
0.5
Figure 28. Drive Current B (High V
Figure 27. Drive Current B (Low V
0.5
1.0
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
1.0
1.5
1.5
2.0
DDEXT
DDEXT
2.0
V DDEXT = 2.75V @ –40 ° C
V DDEXT = 2.95V @ 95 ° C
V
V DDEXT = 3.65V @ –40 ° C
V
V DDEXT = 2.50V @ 25 ° C
DDEXT
DDEXT
2.5
)
)
= 3.30V @ 25 ° C
= 2.25V @ 95 ° C
2.5
3.0
V OH
V OL
V OH
V OL
3.0
3.5