Datasheet

(R
ISET
= 39kΩ, T
A
= +25°C, unless otherwise noted.)
GPO SHORT-CIRCUIT CURRENT
vs. TEMPERATURE
MAX7300 toc07
TEMPERATURE (°C)
PORT CURRENT (mA)
97.570.042.515.0-12.5
10
100
1
-40.0 125.0
GPO = 0, PORT
SHORTED TO V+
GPO = 1, PORT
SHORTED TO GND
GPI PULLUP CURRENT
vs. TEMPERATURE
MAX7300 toc06
TEMPERATURE (°C)
PULLUP CURRENT (A)
97.570.042.515.0-12.5
100
1000
10
-40.0 125.0
V
V+
= 5.5V
V
V+
= 3.3V
V
V+
= 2.5V
GPO SOURCE CURRENT vs. TEMPERATURE
(OUTPUT = 1)
MAX7300 toc05
TEMPERATURE (°C)
PORT SOURCE CURRENT (mA)
97.570.042.515.0-12.5
3
4
5
6
7
8
9
2
-40.0 125.0
V
PORT
= 1.4V
V
V+
= 5.5V
V
V+
= 3.3V
V
V+
= 2.5V
GPO SINK CURRENT vs. TEMPERATURE
(OUTPUT = 0)
MAX7300 toc04
TEMPERATURE (°C)
PORT SINK CURRENT (mA)
97.570.0-12.5 15.0 42.5
4
6
8
10
12
14
16
18
2
-40.0 125.0
V
V+
= 2.5V TO 5.5V, V
PORT
= 0.6V
www.maximintegrated.com
Maxim Integrated │ 5
MAX7300 2-Wire-Interfaced, 2.5V to 5.5V,
20-Port or 28-Port I/O Expander
Typical Operating Characteristics (continued)