
Z3660 v022
shanshe/Z3660
Amiga 4000 CPU accelerator board based on A3660 and Z-turn FPGA board

The PCF8574TS/3 is an i, O Expander made by NXP Semiconductors in a SSOP-20-4.4mm package with 20 pins. -40℃~+85℃ 100kHz 10mA 2.5V~6V 2.5uA 300uA 8 8 I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver SSOP-20-4.4mm I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (Interface_Expansion:PCF8574TS, from KiCad's library) and its footprint (Package_SO:SSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 22 are in stock at JLCPCB (part C57790). 14 open-source boards in 11 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | INT | Open collector |
| 2 | SCL | Input |
| 3 | NC | Not connected |
| 4 | SDA | Input/output |
| 5 | VDD | Power in |
| 6 | A0 | Input |
| 7 | A1 | Input |
| 8 | NC | Not connected |
| 9 | A2 | Input |
| 10 | P0 | Input/output |
| 11 | P1 | Input/output |
| 12 | P2 | Input/output |
| 13 | NC | Not connected |
| 14 | P3 | Input/output |
| 15 | VSS | Power in |
| 16 | P4 | Input/output |
| 17 | P5 | Input/output |
| 18 | NC | Not connected |
| 19 | P6 | Input/output |
| 20 | P7 | Input/output |

shanshe/Z3660
Amiga 4000 CPU accelerator board based on A3660 and Z-turn FPGA board



freudenthal/I2CTCA9548Multiplexer
An I2C multiplexer using a TCA9548 and a PCF8574 for interrupt.




shanshe/Z3660
Amiga 4000 CPU accelerator board based on A3660 and Z-turn FPGA board
<iframe src="https://pcbkit.io/embed/parts/nxp/PCF8574TS/3" title="PCF8574TS/3 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/nxp/PCF8574TS/3.jpg" alt="PCF8574TS/3" width="1200" height="900">[](https://pcbkit.io/parts/nxp/PCF8574TS/3)Yes. The symbol is Interface_Expansion:PCF8574TS and the footprint Package_SO:SSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SSOP-20-4.4mm, with 20 pins. Its footprint is drawn on this page.
NXP Semiconductors publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C57790, with 22 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the PCF8574ATS/3 by NXP Semiconductors, the PCF8574T/3,518 by NXP Semiconductors, the PCF8574APWR by Texas Instruments and the PCF8574T/TR by HGSEMI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
14 boards in 11 repositories on GitHub; the most starred are listed on this page, with their KiCad files.