2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
28-Port I/O Expander
Typical Operating Characteristics (continued)
(RISET = 39kΩ, TA = +25°C, unless otherwise noted.)
GPO SINK CURRENT vs. TEMPERATURE
(OUTPUT = 0)
18
VV+ = 2.5V TO 5.5V, VPORT = 0.6V
16
14
12
10
8
6
4
2
-40.0 -12.5
15.0 42.5 70.0
TEMPERATURE (°C)
97.5 125.0
GPO SOURCE CURRENT vs. TEMPERATURE
(OUTPUT = 1)
9
VPORT = 1.4V
8
VV+ = 5.5V
7
6
VV+ = 3.3V
5
VV+ = 2.5V
4
3
2
-40.0 -12.5
15.0 42.5 70.0
TEMPERATURE (°C)
97.5 125.0
GPI PULLUP CURRENT
vs. TEMPERATURE
1000
GPO SHORT-CIRCUIT CURRENT
vs. TEMPERATURE
100
VV+ = 5.5V
100
VV+ = 3.3V
VV+ = 2.5V
10
-40.0 -12.5
15.0 42.5 70.0
TEMPERATURE (°C)
97.5 125.0
GPO = 0, PORT
SHORTED TO V+
10
GPO = 1, PORT
SHORTED TO GND
1
-40.0 -12.5
15.0 42.5 70.0
TEMPERATURE (°C)
97.5 125.0
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