PCF8574TS
Interface_Expansion
8-bit I/O Expander, I2C interface, interrupt output, fixed address bits 0b0100xxx, SSOP-20
Symbol
20 pins
- Units
- 1
- Kind
- part
- Grid
- on 1.27 mm
Footprint
20 pads
- Library
- Package_SO
- Mount
- smd
- Courtyard
- 7.8 × 7 mm
- Link
- exact
- Footprint page
- Open →
3D model
STEPPackage_SO_SSOP-20_4.4x6.5mm_P0.65mm
6.40 × 6.50 × 1.40 mm
266 KB STEP
- Library
- Package_SO_SSOP-20_4.4x6.5mm
- Link
- exact
- Model page
- Open →
Pins and pads
Every pin on the symbol has a pad on the footprint.
| Pin | Name | Type | Pad |
|---|---|---|---|
| 1 | ~{INT} | open_collector | 1 |
| 2 | SCL | input | 2 |
| 3 | NC | no_connect | 3 |
| 4 | SDA | bidirectional | 4 |
| 5 | VDD | power_in | 5 |
| 6 | A0 | input | 6 |
| 7 | A1 | input | 7 |
| 8 | NC | no_connect | 8 |
| 9 | A2 | input | 9 |
| 10 | P0 | bidirectional | 10 |
| 11 | P1 | bidirectional | 11 |
| 12 | P2 | bidirectional | 12 |
| 13 | NC | no_connect | 13 |
| 14 | P3 | bidirectional | 14 |
| 15 | VSS | power_in | 15 |
| 16 | P4 | bidirectional | 16 |
| 17 | P5 | bidirectional | 17 |
| 18 | NC | no_connect | 18 |
| 19 | P6 | bidirectional | 19 |
| 20 | P7 | bidirectional | 20 |
On real boards
20+ designs use this part
2 placed it by name in a schematic; 18 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.
- Resources Hardware Main BOARD5by footprint
- Resources Hardware Main BOARD4by footprint
- Prodigy BOARD4by footprint
- Quokkaby footprint
- BR23 Dashboard PCBby footprint
- PC110 Docking Station Boardby footprint
- Hoerbaerby footprint
- PC110 Docking Station Boardby footprint
- TeensyIrrigationby footprint
- SingularitySurfer FPGA Lock In Amplifier BOARD2by footprint
- Resources Hardware Main BOARD3by footprint
- Zoxnoxious Pole Dancer Mixing Filterby footprint
- Archi Botby footprint
- Avocado Cw Transceiverby name
- Multimeter Layoutby footprint
- I2CTCA9548Multiplexerby footprint
- Multimeter Layoutby footprint
- Donutby footprint
- PCF8574DIOI2Cby footprint
- Z3660 by sHaNsHe (Double H Tech)by name
Provenance
- Source
- kicad-symbols
- Credit
- KiCad Libraries Contributors
- Licence
- CC-BY-SA-4.0-with-KiCad-exception
- Link method
- exact
- Cross-check
- passed