OUTPUT DRIVE CURRENTS
through
show typical current-voltage char-
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.
150
V
DDEXT
= 2.75V
V
DDEXT
= 2.50V
V
DDEXT
= 2.25V
150
V
DDEXT
= 2.75V
V
DDEXT
= 2.50V
V
DDEXT
= 2.25V
100
SOURCE CURRENT (mA)
50
0
V
OH
100
SOURCE CURRENT (mA)
–50
50
–100
V
OL
0
V
OH
–150
0
0.5
1.0
1.5
2.0
2.5
3.0
–50
V
OL
SOURCE VOLTAGE (V)
Figure 36. Drive Current B (V
DDEXT
= 2.5 V)
80
–100
–150
0
0.5
1.0
1.5
2.0
2.5
3.0
SOURCE CURRENT (mA)
60
40
20
0
–20
–40
–60
SOURCE VOLTAGE (V)
V
DDEXT
= 1.9V
V
DDEXT
= 1.8V
V
DDEXT
= 1.7V
Figure 33. Drive Current A (V
DDEXT
= 2.5 V)
80
60
SOURCE CURRENT (mA)
V
DDEXT
= 1.9V
V
DDEXT
= 1.8V
V
DDEXT
= 1.7V
40
20
0
–20
–40
–60
–80
0
–80
0
0.5
1.0
SOURCE VOLTAGE (V)
1.5
2.0
Figure 37. Drive Current B (V
DDEXT
= 1.8 V)
0.5
1.0
SOURCE VOLTAGE (V)
1.5
2.0
150
V
DDEXT
= 3.65V
V
DDEXT
= 3.30V
V
DDEXT
= 2.95V
100
SOURCE CURRENT (mA)
Figure 34. Drive Current A (V
DDEXT
= 1.8 V)
150
V
DDEXT
= 3.65V
V
DDEXT
= 3.30V
V
DDEXT
= 2.95V
50
0
100
SOURCE CURRENT (mA)
V
OH
–50
50
–100
0
V
OH
–50
0
–100
0.5
1.0
1.5
2.0
SOURCE VOLTAGE (V)
2.5
3.0
3.5
–150
V
OL
V
OL
Figure 38. Drive Current B (V
DDEXT
= 3.3 V)
–150
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
SOURCE VOLTAGE (V)
Figure 35. Drive Current A (V
DDEXT
= 3.3 V)
Rev. I
|
Page 43 of 64 |
August 2013
AD [ ANALOG DEVICES ]
