Datasheet

MAX7310
2-Wire-Interfaced 8-Bit I/O Port Expander
with Reset
4 _______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
4
5
7
6
8
9
-40 -10 5 20-25 35 50 65 80 95 110 125
I/O1–I/O7 OUTPUT SOURCE CURRENT
vs. TEMPERATURE
MAX7310 toc06
TEMPERATURE (°C)
SOURCE CURRENT (mA)
V+ = 2.3V,
V
OH
= 1.4V
0
15
10
5
25
20
30
35
2.0 3.0 3.5 4.02.5 4.5 5.0 5.5
I/O0–I/O7 OUTPUT SINK CURRENT
vs. SUPPLY VOLTAGE
MAX7310 toc05
SUPPLY VOLTAGE (V)
SINK CURRENT (mA)
V
OL
= 0.5V
0
10
5
20
15
25
30
-40 -10 5 20-25 35 50 65 80 95 110 125
I/O0–I/O7 OUTPUT SINK CURRENT
vs. TEMPERATURE
MAX7310 toc04
TEMPERATURE (°C)
SINK CURRENT (mA)
V
OL
= 0.5V
V
CC
= 3.3V
V
CC
= 2.3V
10
40
20
60
70
2.0 3.0 3.5 4.02.5 4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX7310 toc03
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
30
50
f
SCL
= 440kHz,
NO LOAD ON I/O0–I/O7
1.00
1.50
1.25
2.00
1.75
2.25
2.50
-40 -10 5 20-25 35 50 65 80 95 110 125
STANDBY SUPPLY CURRENT
vs. TEMPERATURE
MAX7310 toc02
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V+ = 3.3V, f
SCL
= 0,
NO LOAD ON I/O0–I/O7
26
28
27
30
29
31
32
-40 -10 5 20-25 35 50 65 80 95 110 125
SUPPLY CURRENT
vs. TEMPERATURE
MAX7310 toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V+ = 3.3V, f
SCL
= 440kHz,
NO LOAD ON I/O0–I/O7