MAX7324 Maxim, MAX7324 Datasheet - Page 17

• Manufacturer Part Number: MAX7324
• Description: The MAX7324 2-wire serial-interfaced peripheral features 16 I/O ports that are divided into eight push-pull outputs and eight inputs
• Manufacturer: Maxim

I
SDA
2
AD0
AD2
SCL
TOP VIEW
RST
C Port Expander with Eight Push-Pull Outputs
Pin Configurations (continued)
ON RESET
GND
RST
AD2
POWER-
INT
FILTER
INPUT
I0
I1
I2
I3
I4
I5
I6
I7
10
11
12
1
2
3
4
5
6
7
8
9
______________________________________________________________________________________
+
MAX7324
Functional Diagram
CONTROL
QSOP
I
2
MAX7324
C
24
23
22
21
20
19
18
17
16
15
14
13
V+
SDA
SCL
AD0
015
014
013
012
011
010
O9
O8
PORTS
I/O
N
O15
O14
O13
O12
O11
O10
O9
O8
I7
I6
I5
I4
I3
I2
I1
I0
INT
PROCESS: BiCMOS
µC
SDA
SCL
RST
INT
Typical Application Circuit
SCL
SDA
RST
INT
AD0
AD2
and Eight Inputs
MAX7324
GND
3.3V
V+
Chip Information
O15
O14
O11
O10
013
012
09
08
I7
I6
I5
I4
I3
I2
I1
I0
OUTPUT
OUTPUT
OUTPUT
OUTPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
17