Back to browse
MCP23018x-x-SS
16-bit I/O expander, I2C interface, open-drain outpus (with configurable pull-up resistors), 2 interrupt outputs, SSOP-24
Schematic Symbol
Pin Configuration (24 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | V_{SS} | power_in |
| 2 | GPB0 | bidirectional |
| 3 | GPB1 | bidirectional |
| 4 | GPB2 | bidirectional |
| 5 | GPB3 | bidirectional |
| 6 | GPB4 | bidirectional |
| 7 | GPB5 | bidirectional |
| 8 | GPB6 | bidirectional |
| 9 | GPB7 | bidirectional |
| 10 | V_{DD} | power_in |
| 11 | SCL | input |
| 12 | SDA | bidirectional |
| 13 | ADDR | input |
| 14 | ~{RESET} | input |
| 15 | INTB | output |
| 16 | INTA | output |
| 17 | GPA0 | bidirectional |
| 18 | GPA1 | bidirectional |
| 19 | GPA2 | bidirectional |
| 20 | GPA3 | bidirectional |
| 21 | GPA4 | bidirectional |
| 22 | GPA5 | bidirectional |
| 23 | GPA6 | bidirectional |
| 24 | GPA7 | bidirectional |
Footprint
ConfirmedPackage_SO/SSOP-24_5.3x8.2mm_P0.65mm
Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pads (24)
| Number | Type |
|---|---|
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |