MAX7312 Maxim, MAX7312 Datasheet - Page 4

• Manufacturer Part Number: MAX7312
• Description: The MAX7312 2-wire-interfaced expander provides 16-bit parallel input/output (I/O) port expansion in SMBus™ and I²C applications
• Manufacturer: Maxim

2-Wire-Interfaced 16-Bit I/O Port Expander
with Interrupt and Hot-Insertion Protection
4
(T
A
400
350
300
250
200
150
100
100
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
24
22
20
18
16
14
12
10
50
90
80
70
60
50
40
30
20
10
8
6
4
2
0
0
0
-50
-50
0
V
f
ALL I/Os UNLOADED
SCL
+
V
+
= 2V
-25
= 2V, I
-25
= 400kHz
0.1
vs. OUTPUT LOW VOLTAGE
I/O OUTPUT LOW VOLTAGE
V
+
= 5V, I
SINK
vs. TEMPERATURE
vs. TEMPERATURE
I/O SINK CURRENT
SUPPLY CURRENT
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
0.2
= 1mA
SINK
25
25
V
OL
= 10mA
T
V
0.3
V
V
V
A
+
+
+
+
(V)
= -40°C
= 3.3V
= 2V, I
= 2V
V
= 5V
50
50
+
= 5V, I
0.4
SINK
T
75
75
T
A
A
SINK
= +125°C
= 10mA
= +25°C
0.5
= 1mA
100
100
125
125
0.6
50
45
40
35
30
25
20
15
10
25
20
15
10
5
0
9
8
7
6
5
4
3
2
1
0
5
0
-50
0
0
SCL = V
ALL I/Os UNLOADED
V
V
+
+
= 3.3V
= 2V
-25
0.1
0.1
STANDBY SUPPLY CURRENT
vs. OUTPUT LOW VOLTAGE
vs. OUTPUT HIGH VOLTAGE
+
V
+
I/O SOURCE CURRENT
vs. TEMPERATURE
I/O SINK CURRENT
0.2
= 3.3V
0
0.2
TEMPERATURE (°C)
T
V
A
0.3
25
+
V
= +25°C
- V
OL
T
0.3
T
A
OH
A
(V)
= -40°C
V
= -40°C
0.4
Typical Operating Characteristics
+
50
(V)
= 5V
0.4
V
T
+
0.5
A
75
= 2V
T
= +125°C
A
T
A
= +125°C
= +25°C
0.5
100
0.6
125
0.6
0.7
100
90
80
70
60
50
40
30
20
10
50
45
40
35
30
25
20
15
10
50
45
40
35
30
25
20
15
10
0
5
0
5
0
2.0
0
0
V
V
f
ALL I/Os UNLOADED
SCL
+
+
= 5V
= 3.3V
2.5
0.1
= 400kHz
vs. OUTPUT HIGH VOLTAGE
vs. OUTPUT LOW VOLTAGE
0.1
T
vs. SUPPLY VOLTAGE
I/O SOURCE CURRENT
A
T
3.0
0.2
SUPPLY CURRENT
I/O SINK CURRENT
A
= +25°C
SUPPLY VOLTAGE (V)
= +25°C
0.2
V
3.5
0.3
+
T
V
- V
A
OL
= -40°C
OH
(V)
T
4.0
0.4
A
(V)
0.3
= -40°C
T
T
A
4.5
A
0.5
= +125°C
= +125°C
0.4
5.0
0.6
5.5
0.5
0.7