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MCP23008-xML
8-bit I/O expander, I2C, interrupts, QFN-20
Schematic Symbol
Pin Configuration (20 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | A2 | input |
| 2 | A1 | input |
| 3 | A0 | input |
| 4 | ~{RESET} | input |
| 5 | NC | no_connect |
| 6 | NC | no_connect |
| 7 | INT | output |
| 8 | NC | no_connect |
| 9 | GP0 | bidirectional |
| 10 | GP1 | bidirectional |
| 11 | GP2 | bidirectional |
| 12 | GP3 | bidirectional |
| 13 | GP4 | bidirectional |
| 14 | GP5 | bidirectional |
| 15 | GP6 | bidirectional |
| 16 | GP7 | bidirectional |
| 17 | VSS | power_in |
| 18 | VDD | power_in |
| 19 | SCL | input |
| 20 | SDA | bidirectional |
Footprint
ConfirmedPackage_DFN_QFN/QFN-20-1EP_4x4mm_P0.5mm_EP2.7x2.7mm
Pad Layout
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Pads (25)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 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 |