ADSP-BF522 AD [Analog Devices], ADSP-BF522 Datasheet - Page 64

• Manufacturer Part Number: ADSP-BF522
• Description: Blackfin Embedded Processor
• Manufacturer: AD [Analog Devices]

ADSP-BF522/523/524/525/526/527
OUTPUT DRIVE CURRENTS
Figure 42
acteristics for the output drivers of the ADSP-BF523/525/527
and ADSP-BF522/524/526 processors.
– 120
– 160
– 200
– 120
– 160
– 40
– 80
– 40
– 80
200
160
120
– 20
– 40
– 60
– 80
160
120
80
40
80
40
80
60
40
20
0
0
0
0
0
0
through
Figure 42. Driver Type A Current (3.3V V
Figure 43. Driver Type A Current (2.5V V
Figure 44. Driver Type A Current (1.8V V
0.5
0.5
Figure 56
1.0
0.5
1.0
show typical current-voltage char-
1.5
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
1.0
2.0
1.5
DDEXT
DDEXT
DDEXT
2.5
V
V
V
2.0
/V
/V
/V
V
V
V
V
V
V
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDMEM
DDMEM
DDMEM
Rev. PrG | Page 64 of 80 | February 2009
1.5
3.0
= 2.75V @ – 40
= 2.5V @ 25
= 2.25V @ 105
= 1.9V @ – 40
= 1.8V @ 25
= 1.7V @ 105
= 3.6V @ – 40
= 3.3V @ 25
= 3.0V @ 105
)
)
)
V
V
V
OL
2.5
OH
OH
3.5
V
V
° C
OL
OL
V
° C
° C
OH
° C
° C
° C
° C
° C
° C
The curves represent the current drive capability of the output
drivers. See
driver type corresponds to a particular ball.
– 120
– 160
– 200
– 240
– 120
– 160
– 200
– 100
– 40
– 80
– 40
– 80
– 20
– 40
– 60
– 80
240
200
160
120
160
120
80
40
80
40
80
60
40
20
0
0
0
0
0
0
Figure 45. Driver Type B Current (3.3V V
Figure 46. Driver Type B Current (2.5V V
Figure 47. Driver Type B Current (1.8V V
Table 10 on Page 22
0.5
0.5
Preliminary Technical Data
1.0
0.5
1.0
1.5
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
SOURCE VOLTAGE (V)
for information about which
1.0
2.0
1.5
DDEXT
DDEXT
DDEXT
2.5
2.0
V
V
V
/V
/V
/V
V
V
V
V
V
V
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDEXT
DDMEM
DDMEM
DDMEM
1.5
3.0
= 2.75V @ – 40
= 2.5V @ 25
= 2.25V @ 105
= 1.9V @ – 40
= 1.8V @ 25
= 1.7V @ 105
= 3.6V @ – 40
= 3.3V @ 25
= 3.0V @ 105
)
)
)
V
OL
V
2.5
V
OH
OH
V
3.5
OL
° C
V
° C
V
° C
OH
° C
° C
° C
OL
° C
° C
° C