2 layers170 × 125 mm
PCF8574T/3
NXP Semiconductors
Remote 8-bit I/O Expander for I2C Bus
- Part id
- nxp/PCF8574T/3
- Category
- Uncategorised
- Package
- SOIC16W
- Pins
- 16
- Used on
- 1 open-source board
Overview
The PCF8574T/3 is an uncategorised made by NXP Semiconductors in a SOIC16W package with 16 pins. Remote 8-bit I/O Expander for I2C Bus.
PCBKit's library has its KiCad symbol (Interface_Expansion:PCF8574T, from KiCad's library) and its footprint (Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, from KiCad's library), ready for a KiCad board. 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | A2 | Input |
| 4 | P0 | Input/output |
| 5 | P1 | Input/output |
| 6 | P2 | Input/output |
| 7 | P3 | Input/output |
| 8 | GND | Power in |
| 9 | P4 | Input/output |
| 10 | P5 | Input/output |
| 11 | P6 | Input/output |
| 12 | P7 | Input/output |
| 13 | INT | Open collector |
| 14 | SCL | Input |
| 15 | SDA | Input/output |
| 16 | VDD | Power in |
Open-source boards using it
1Parts like it
8
CA-IS3741CHW
SOIC-16-300milUncategorisedChipanalogMAX22841CAWE+
SOIC-16-300milUncategorisedMaxim Integrated (Analog Devices)AMC3336QDWERQ1
SOIC-16-300milUncategorisedTexas InstrumentsMPY634KUG4
SOIC-16-300milSOIC-16-300mil New Arrivals ROHSTexas InstrumentsUncategorisedUCC2810DWG4
SOIC-16-300mil0℃~+70℃ 1MHz 49% 8.3V~11V Boost、Flyback、Forward Isolation Under-voltage lockout、Leading edge blanking、Slope compensation SOIC-16-300mil AC-DC Controllers and Regulators ROHSTexas InstrumentsUncategorisedADUM1300XRWZ
Triple-Channel Digital IsolatorAnalog DevicesUncategorisedADUM1410BRW
SOIC16WQuad-Channel Digital IsolatorAnalog DevicesUncategorisedADUM1411BRW
SOIC16WQuad-Channel Digital IsolatorAnalog DevicesUncategorised
Questions
Is there a KiCad symbol and footprint for the PCF8574T/3?
Yes. The symbol is Interface_Expansion:PCF8574T and the footprint Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the PCF8574T/3?
SOIC16W, with 16 pins. Its footprint is drawn on this page.
What can replace the PCF8574T/3?
Parts like it in the library: the CA-IS3741CHW by Chipanalog, the MAX22841CAWE+ by Maxim Integrated (Analog Devices), the AMC3336QDWERQ1 by Texas Instruments and the MPY634KUG4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the PCF8574T/3?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.