MAX7326 Maxim, MAX7326 Datasheet - Page 17

• Manufacturer Part Number: MAX7326
• Description: The MAX7326, a 2-wire serial-interfaced peripheral, features 12 push-pull outputs and four input ports with selectable internal pullups and transition detection
• Manufacturer: Maxim

SDA
AD0
AD2
SCL
RST
TOP VIEW
Pin Configurations (continued)
I
2
C Port Expander with 12 Push-Pull Outputs
ON RESET
GND
POWER-
AD2
RST
INT
FILTER
INPUT
O0
O1
O6
O7
I2
I3
I4
I5
10
11
12
______________________________________________________________________________________
1
2
3
4
5
6
7
8
9
+
MAX7326
Functional Diagram
CONTROL
QSOP
I
2
MAX7326
C
GND
24
23
22
21
20
19
18
17
16
15
14
13
V+
SDA
SCL
AD0
O15
O14
O13
O12
O11
O10
O9
O8
PORTS
I/O
N
O15
O14
O13
O12
O11
O10
O9
O8
O7
O6
I5
I4
I3
I2
O1
O0
INT
PROCESS: BiCMOS
µC
SDA
SCL
RST
INT
Typical Application Circuit
AD0
AD2
SCL
SDA
RST
INT
MAX7326
GND
3.3V
V+
and 4 Inputs
Chip Information
O15
O14
O13
O12
O11
O10
O9
O8
O7
O6
O1
O0
I5
I4
I3
I2
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
INPUT
INPUT
INPUT
17