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PCA9539PWR TI I/O Expanders
The PCA9539PWR is a 16-bit I²C-bus and SMBus I/O expander from Texas Instruments featuring 16 general-purpose I/O pins programmable as input or output. It operates over a supply range of 2.3V to 5.5V and supports 100 kHz and 400 kHz clock frequencies. The device includes interrupt output for change detection, open-drain active-low reset input, and supports multiple device addresses. Housed in a 24-pin TSSOP (PW) package, it operates over -40°C to 85°C. Applications include GPIO expansion for microcontrollers, push-button sensing, LED control, and keypad scanning. In stock at HL Electronics – request a quote for fast delivery.
Part No.:PCA9539PWR
Brand:TI
Date Code:26+
Stock:8,747
SPQ:0
MOQ:1+
Delivery Time:In Stock
Pricing (USD)
| Quantity | Unit Price |
|---|---|
| 1+ | $ 1.79 |
| 10+ | $ 1.50 |
| 30+ | $ 1.35 |
| 100+ | $ 1.15 |
| 500+ | $ 1.07 |
| 1000+ | $ 1.03 |
Technical Specifications
- Part No.PCA9539PWR
- Model PCA9539PWR
- Category Integrated Circuits (ICs) > Interface > I/O Expanders
- Manufacturer Texas Instruments
- Packaging Tape & Reel (TR)
- Part Status Active
- Number of I/O 16
- Interface I²C, SMBus
- Interrupt Output Yes
- Output Type Push-Pull
- Current - Output Source/Sink 10mA / 25mA
- Clock Frequency 400 kHz
- Voltage - Supply 2.3V ~ 5.5V
- Operating Temperature -40°C ~ 85°C
- Mounting Type Surface Mount
- Supplier Device Package 24-TSSOP
- Base Product Number PCA9539
- RoHS ROHS3 Compliant
- Standard Package 2000