MAX7365 Maxim, MAX7365 Datasheet - Page 4

• Manufacturer Part Number: MAX7365
• Description: The MAX7365 is an I²C-interfaced peripheral that provides microprocessors with management of up to 56 key switches
• Manufacturer: Maxim

(V
DD
= +2.5V, T
A
= +25NC, unless otherwise noted.)
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28.0
27.8
27.6
27.4
27.2
27.0
26.8
26.6
26.4
40
35
30
25
20
15
10
40
35
30
25
20
15
10
5
0
5
0
1.6
0
0
COL0 = V
V
LOW-SIDE OPEN-DRAIN MODE
V
LOW-SIDE OPEN-DRAIN MODE
vs. SINK CURRENT (GPIO4 –GPIO0)
vs. SINK CURRENT (GPIO4 –GPIO0)
DD
DD
KEY-SWITCH SOURCE CURRENT
= 2.4V
= 3.6V
GPO OUTPUT LOW VOLTAGE
GPO OUTPUT LOW VOLTAGE
1
1
T
T
Key-Switch Controller with GPIO Ports
A
A
vs. SUPPLY VOLTAGE
GND
2.1
T
= +85°C
= +85°C
T
A
A
SUPPLY VOLTAGE (V)
SINK CURRENT (mA)
SINK CURRENT (mA)
= +85°C
= +25°C
T
T
2
2
A
A
= -40°C
= -40°C
2.6
T
A
= -40°C
3
3
T
T
A
A
= +25°C
= +25°C
3.1
4
4
3.6
5
5
1MHz I
Typical Operating Characteristics
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
40
35
30
25
20
15
10
60
55
50
45
40
35
30
5
0
0
1.6
1.6
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
AUTOSLEEP = OFF
GPI = STANDBY MODE
2
V
LOW-SIDE OPEN-DRAIN MODE
vs. SINK CURRENT (GPIO4–GPIO0)
DD
T
SLEEP MODE SUPPLY CURRENT
A
C-Interfaced 8 x 7
= 3.0V
= +85°C
GPO OUTPUT LOW VOLTAGE
1
T
A
2.1
2.1
vs. SUPPLY VOLTAGE
= +85°C
T
T
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
A
A
SINK CURRENT (mA)
= +85°C
= -40°C
T
2
A
= -40°C
T
2.6
A
2.6
T
= +25°C
A
= +25°C
3
T
A
T
= -40°C
A
= +25°C
3.1
3.1
MAX7365
4
3.6
3.6
5