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PCF8574T IO Expansion Module
$0.5500
In stock
SKU
COM-05-087
Volume discounts:
- +50 4 % $0.5300
- +100 5 % $0.5200
- +300 7 % $0.5100
- +500 9 % $0.5000
- +1000 11 % $0.4900
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8-Way 3.3V-5V IIC Bidirectional Logic Level Conversion Module Previous 
The PCF8574T IO Expansion Module is an 8-bit I/O expander for I2C-bus applications. It extends microcontroller digital I/O capacity through a simple I2C interface. The module is based on the PCF8574 chip and is designed for remote 8-bit I/O expansion. It supports simultaneous input and output signal handling. The PCF8574T IO Expansion Module is suitable for electronics and DIY projects that need additional I/O ports.
Features of PCF8574T IO Expansion Module
- 8-bit I/O expansion
- I2C interface
- Remote I/O extension
- Low static current
- Interrupt output support
Specifications of PCF8574T IO Expansion Module
- Operating voltage: 2.5V to 6V
- High input voltage: 0.7 to 5.5 volts
- Low input voltage: -0.5 to 0.3 volts
- Output current per pin: 25mA max
- I/O capacitance: 100 pF
- Operating voltage (VDC): 3 ~ 5
- Interface: I2C
- Ports: 8-bit parallel port
- Up to 8 modules can be connected to one I2C bus
- Up to 64 I/O ports can be created
- Static current: less than 10μA
How to Use PCF8574T IO Expansion Module
- Connect the module to an I2C bus.
- Use the available 8-bit parallel port for I/O expansion.
- Connect the interrupt output if interrupt handling is required.
More Info
- Based on the PCF8574 chip.
- Suitable for Arduino and Raspberry Pi.
| Interface Type | I2C |
|---|---|
| Operating Voltage (V) | 2.5V to 6V |
| Operating Current (mA) | less than 10μA |
| Operating Temp (°C) | -40 to 85 |
| Interface Category | I2C Serial Interface Board Module |
| Output Type | Digital |
| Channels | 8-channel |
| Chipset | PCF8574, PCF8574T |
| Voltage Range | 2.5V to 6V |
| Protocols | I2C |
| Conversion Type | I2C to Parallel |
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