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TCA9555DBT
16-bit I/O expander, I2C and SMBus interface, interrupts, w/ pull-ups, SSOP-24
Schematic Symbol
Pin Configuration (24 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{INT} | open_collector |
| 2 | A1 | input |
| 3 | A2 | input |
| 4 | P00 | bidirectional |
| 5 | P01 | bidirectional |
| 6 | P02 | bidirectional |
| 7 | P03 | bidirectional |
| 8 | P04 | bidirectional |
| 9 | P05 | bidirectional |
| 10 | P06 | bidirectional |
| 11 | P07 | bidirectional |
| 12 | GND | power_in |
| 13 | P10 | bidirectional |
| 14 | P11 | bidirectional |
| 15 | P12 | bidirectional |
| 16 | P13 | bidirectional |
| 17 | P14 | bidirectional |
| 18 | P15 | bidirectional |
| 19 | P16 | bidirectional |
| 20 | P17 | bidirectional |
| 21 | A0 | input |
| 22 | SCL | input |
| 23 | SDA | bidirectional |
| 24 | VCC | power_in |
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 |