MAX7300 Maxim, MAX7300 Datasheet - Page 18

• Manufacturer Part Number: MAX7300
• Description: The MAX7300 compact, serial-interfaced, I/O expansion peripheral provides microprocessors with up to 28 ports
• Manufacturer: Maxim

2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
28-Port I/O Expander
18
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TOP VIEW
GND
GND
ISET
AD0
P12
P13
P10
P14
P11
P15
P16
P17
P18
P19
P20
P21
P8
P9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
36 SSOP
MAX7300
36
35
34
32
30
28
27
26
25
24
23
22
21
19
33
31
29
20
V+
AD1
SCL
SDA
P4
P31
P5
P30
P6
P29
P7
P28
P27
P26
P25
P24
P23
P22
TOP VIEW
GND
GND
ISET
GND
GND
GND
SDA
SCL
AD1
N.C.
SDA
ISET
SCL
AD1
AD0
V+
V+
Pin Configurations (continued)
31
32
33
34
35
36
37
38
39
40
22
23
24
25
26
27
28
40 TQFN-EP
28 TQFN-EP
MAX7300
MAX7300
20
19
18
17
16
15
14
13
12
11
14
13
12
11
10
9
8
N.C.
P25
P24
P23
P22
P21
P20
P19
P18
N.C.
P24
P23
P22
P21
P20
P19
P18