2 layers25.4 × 17.8 mm
PCF8574RGY
Texas InstrumentsExtended
-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 30uA 8 8 I2C Interrupt Output Push-Pull Reset function、Cascade and address expansion、Built-in LED driver VQFN-20-EP(3.5x4.5) I/O Expanders ROHS
- Part id
- ti/PCF8574RGY
- Category
- I, O Expanders
- Package
- VQFN-20-EP(3.5x4.5)
- Pins
- 21
- In stock
- 46 at JLCPCB (C2862486)
- Used on
- 1 open-source board
Overview
The PCF8574RGY is an i, O Expander made by Texas Instruments in a VQFN-20-EP(3.5x4.5) package with 21 pins. -40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 30uA 8 8 I2C Interrupt Output Push-Pull Reset function、Cascade and address expansion、Built-in LED driver VQFN-20-EP(3.5x4.5) I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:PCF8574RGYR, from EasyEDA) and its footprint (EasyEDA_Cloud:VQFN-20_L4.5-W3.5-P0.50-BL-EP-1, from EasyEDA), ready for a KiCad board. 46 are in stock at JLCPCB (part C2862486). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
21| Pin | Name | Type |
|---|---|---|
| 1 | INT# | Unspecified |
| 2 | SCL | Unspecified |
| 3 | NC | Unspecified |
| 4 | SDA | Unspecified |
| 5 | VCC | Unspecified |
| 6 | A0 | Unspecified |
| 7 | A1 | Unspecified |
| 8 | NC | Unspecified |
| 9 | A2 | Unspecified |
| 10 | P0 | Unspecified |
| 11 | P1 | Unspecified |
| 12 | P2 | Unspecified |
| 13 | NC | Unspecified |
| 14 | P3 | Unspecified |
| 15 | GND | Unspecified |
| 16 | P4 | Unspecified |
| 17 | P5 | Unspecified |
| 18 | NC | Unspecified |
| 19 | P6 | Unspecified |
| 20 | P7 | Unspecified |
| 21 | EP | Unspecified |
Open-source boards using it
1Parts like it
8
PCF8574T/3,518
SOIC-16-300mil-40℃~+85℃ 100kHz 10mA 16 2.5V~6V 2.5uA 30uA 8 I2C Interrupt Output Reset function、Cascading and address extension、Built-in LED driver SOIC-16-300mil I/O Expanders ROHSNXP SemiconductorsI/O Expanders
PCF8574APWR
ETSSOP-20-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 310uA 8 Cascading and address extension、Built-in LED driver I2C Interrupt Output Push-Pull ETSSOP-20 I/O Expanders ROHSTexas InstrumentsI/O ExpandersPCF8574T/TR
SOP-16W-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 300uA 8 8 Cascade and address expansion、Built-in LED driver I2C Interrupt Output Quasi-bidirectional output SOP-16W I/O Expanders ROHSHGSEMII/O ExpandersPCF8574DWR
SOIC-16-300mil-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 30uA 8 I2C Interrupt Output Push-Pull Reset function、Cascading and address extension、Built-in LED driver SOIC-16-300mil I/O Expanders ROHSTexas InstrumentsI/O Expanders
XL8574TS
SSOP-20I/O ExpandersXINLUDA
PCF8574RGT
WQFN-16-EP(3x3)-40℃~+85℃ 100kHz 10uA 1mA 2.5V~6V 25mA 8 I2C Interrupt Output Push-Pull Reset function、Cascading and address extension、Built-in LED driver WQFN-16-EP(3x3) I/O Expanders ROHSTexas InstrumentsI/O Expanders
PCF8574M/TR
SOP-16-150mil-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 25mA 8 8 Cascade and address expansion、Built-in LED driver I2C Interrupt Output Open-drain SOP-16-150mil I/O Expanders ROHSHGSEMII/O ExpandersPCF8574AT/TR
SOP-16-W-40℃~+85℃ 100kHz 10uA 16 2.5V~6V 25mA 300uA 8 Cascade and address expansion、Built-in LED driver I2C Interrupt Output Quasi-bidirectional output SOP-16-W I/O Expanders ROHSHGSEMII/O Expanders
Questions
Is there a KiCad symbol and footprint for the PCF8574RGY?
Yes. The symbol is EasyEDA_Cloud:PCF8574RGYR and the footprint EasyEDA_Cloud:VQFN-20_L4.5-W3.5-P0.50-BL-EP-1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the PCF8574RGY?
VQFN-20-EP(3.5x4.5), with 21 pins. Its footprint is drawn on this page.
Where is the PCF8574RGY datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the PCF8574RGY?
JLCPCB lists it as part C2862486, with 46 in stock; the sellers' links on this page open their listings.
What can replace the PCF8574RGY?
Parts like it in the library: the PCF8574T/3,518 by NXP Semiconductors, the PCF8574APWR by Texas Instruments, the PCF8574T/TR by HGSEMI and the PCF8574DWR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the PCF8574RGY?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.