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PCA9557PW
8-bit I2C-bus and SMBus I/O port with reset, TSSOP-16
Schematic Symbol
Pin Configuration (16 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | SCL | input |
| 2 | SDA | bidirectional |
| 3 | A0 | input |
| 4 | A1 | input |
| 5 | A2 | input |
| 6 | IO0 | bidirectional |
| 7 | IO1 | bidirectional |
| 8 | VSS | power_in |
| 9 | IO2 | bidirectional |
| 10 | IO3 | bidirectional |
| 11 | IO4 | bidirectional |
| 12 | IO5 | bidirectional |
| 13 | IO6 | bidirectional |
| 14 | IO7 | bidirectional |
| 15 | ~{RESET} | input |
| 16 | VDD | power_in |
Footprint
ConfirmedPackage_SO/TSSOP-16_4.4x5mm_P0.65mm
Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pads (16)
| 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 |