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PCF8574P
8-bit I/O Expander, I2C interface, interrupt output, fixed address bits 0b0100xxx, DIP-16
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | A0 | input |
| 2 | A1 | input |
| 3 | A2 | input |
| 4 | P0 | bidirectional |
| 5 | P1 | bidirectional |
| 6 | P2 | bidirectional |
| 7 | P3 | bidirectional |
| 8 | GND | power_in |
| 9 | P4 | bidirectional |
| 10 | P5 | bidirectional |
| 11 | P6 | bidirectional |
| 12 | P7 | bidirectional |
| 13 | ~{INT} | open_collector |
| 14 | SCL | input |
| 15 | SDA | bidirectional |
| 16 | VDD | power_in |
Footprint
ConfirmedPackage_DIP/DIP-16_W7.62mm
Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pads (16)
| Number | Type |
|---|---|
| 1 | thru hole |
| 2 | thru hole |
| 3 | thru hole |
| 4 | thru hole |
| 5 | thru hole |
| 6 | thru hole |
| 7 | thru hole |
| 8 | thru hole |
| 9 | thru hole |
| 10 | thru hole |
| 11 | thru hole |
| 12 | thru hole |
| 13 | thru hole |
| 14 | thru hole |
| 15 | thru hole |
| 16 | thru hole |