MAX7323 Maxim, MAX7323 Datasheet - Page 4

• Manufacturer Part Number: MAX7323
• Description: The MAX7323 2-wire serial-interfaced peripheral features eight I/O ports
• Manufacturer: Maxim

I
and 4 Open-Drain I/Os
(T
4
2
A
4, 5, 11, 12
= +25°C, unless otherwise noted.)
6, 7, 9, 10
_______________________________________________________________________________________
C Port Expander with 4 Push-Pull Outputs
QSOP
1, 3
13
14
15
16
—
2
8
PIN
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
-40
2, 3, 9, 10
STANDBY CURRENT vs. TEMPERATURE
V+ = +3.3V
I
4, 5, 7, 8
SINK
TQFN
-25
15, 1
V+ = +2.5V
EP
16
11
12
13
14
= 15mA
6
-10 5
OUTPUT VOLTAGE LOW
V+ = +1.71V
I
SINK
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
= 5mA
V+ = +2.5V
I
SINK
20 35 50 65 80 95 110 125
V+ = +3.3V
= 10mA
O0, O1,
O6, O7
NAME
P2–P5
AD0,
GND
SDA
AD2
SCL
RST
INT
V+
EP
V+ = +5.0V
I
SINK
V+ = +1.71V
V+ = +5.0V
= 20mA
f
SCL
Address Inputs. Select device slave address with AD0 and AD2. Connect AD0 and
AD2 to either GND, V+, SCL, or SDA to give four logic combinations (see Table 3).
Reset Input, Active Low. Drive RST low to clear the 2-wire interface.
Output Ports. O0, O1, O6, and O7 are push-pull outputs.
I/O Ports. P2 to P5 are open-drain I/Os rated to +6V, 20mA.
Ground
Interrupt Output. INT is an open-drain output.
I
I
Positive Supply Voltage. Bypass V+ to GND with a ceramic capacitor of at least
0.047µF as close to the device as possible.
Exposed Pad. Connect exposed pad to GND.
2
2
C-Compatible Serial Clock Input
C-Compatible Serial Data I/O
= 0kHz
Typical Operating Characteristics
60
50
40
30
20
10
6
5
4
3
2
1
0
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
-40
SUPPLY CURRENT vs. TEMPERATURE
-25
V+ = +3.3V
I
SOURCE
V+ = +2.5V
FUNCTION
-10 5 20
OUTPUT VOLTAGE HIGH
= 15mA
vs. TEMPERATURE
V+ = +1.71V
TEMPERATURE (°C)
V+ = +3.3V
TEMPERATURE (°C)
V+ = +1.71V
I
SOURCE
35 50 65 80 95 110 125
= 2mA
V+ = +5.0V
I
SOURCE
V+ = +5.0V
V+ = +2.5V
I
= 20mA
SOURCE
f
SCL
Pin Description
= 400kHz
= 5mA