
Overview
The PCA9539DBR is an i, O Expander made by Texas Instruments in a SSOP-24-208mil package with 24 pins. -40℃~+85℃ 10mA 16 1uA 2.3V~5.5V 25mA 4 400kHz I2C、SMBus Interrupt Output Push-Pull Reset function、Cascade and address expansion、Built-in LED driver SSOP-24-208mil I/O Expanders ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TCA9539PWR_C22448189, from EasyEDA) and its footprint (Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 55 are in stock at JLCPCB (part C2669668).
Symbol
Footprint
Parameters
12- Clock Frequency
- 400kHz
- Current - Output High(IOH)
- 10mA
- Current - Output Low(IOL)
- 25mA
- Features
- Reset function
- Interface
- I2C
- Interrupt Output
- Interrupt Output
- Number of I/O
- 16
- Number of Supporting Devices
- 4
- Operating Temperature
- -40℃~+85℃
- Output Type
- Push-Pull
- Quiescent Supply Current
- 1uA
- Voltage - Supply
- 2.3V~5.5V
Order codes
1- PCA9539DBRLCSC C2669668
Pinout
24| Pin | Name | Type |
|---|---|---|
| 1 | INT# | Unspecified |
| 2 | A1 | Unspecified |
| 3 | RESET# | Unspecified |
| 4 | P00 | Unspecified |
| 5 | P01 | Unspecified |
| 6 | P02 | Unspecified |
| 7 | P03 | Unspecified |
| 8 | P04 | Unspecified |
| 9 | P05 | Unspecified |
| 10 | P06 | Unspecified |
| 11 | P07 | Unspecified |
| 12 | GND | Unspecified |
| 13 | P10 | Unspecified |
| 14 | P11 | Unspecified |
| 15 | P12 | Unspecified |
| 16 | P13 | Unspecified |
| 17 | P14 | Unspecified |
| 18 | P15 | Unspecified |
| 19 | P16 | Unspecified |
| 20 | P17 | Unspecified |
| 21 | A0 | Unspecified |
| 22 | SCL | Unspecified |
| 23 | SDA | Unspecified |
| 24 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the PCA9539DBR?
Yes. The symbol is EasyEDA_Cloud:TCA9539PWR_C22448189 and the footprint Package_SO:SSOP-24_5.3x8.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the PCA9539DBR?
SSOP-24-208mil, with 24 pins. Its footprint is drawn on this page.
Where is the PCA9539DBR datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the PCA9539DBR?
JLCPCB lists it as part C2669668, with 55 in stock; the sellers' links on this page open their listings.
What can replace the PCA9539DBR?
Parts like it in the library: the MAX7311AAG+ by Maxim Integrated (Analog Devices), the MAX7312AAG+ by Maxim Integrated (Analog Devices), the PCA9538ABSHP by NXP Semiconductors and the PCF8575DGVR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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