Texas Instruments

PCF8574RGTR

The PCF8574RGTR is a member of Texas Instruments' i2c bus and SMBus 8-bit I/O port expander family. It is a low-cost, low-power solution for adding general-purpose parallel I/O interfaces to a system using the i2c bus or SMBus protocol.

Description:

The PCF8574RGTR is an 8-bit I/O expander that can be connected to a microcontroller or processor via the i2c bus or SMBus protocol. It features an 8-bit bidirectional input/output (I/O) port that can be configured as either input or output. The device also includes a 16-bit address register that allows multiple devices to be connected to the same bus.

Features:

• 8-bit bidirectional I/O port
• I2C bus and SMBus compatible
• 16-bit address register for multiple devices
• Low power consumption
• Wide operating voltage range (2.5V to 5.5V)
• Small package size (TSSOP-16)

Applications:

The PCF8574RGTR is suitable for a wide range of applications where general-purpose parallel I/O interfaces are required. Some examples include:

• Home automation systems
• Industrial control systems
• Medical equipment
• Point-of-sale terminals
• Remote control systems
• Sensor interfaces
• Smart home devices
• Wearable electronics

In summary, the PCF8574RGTR is a versatile and cost-effective solution for adding parallel I/O interfaces to a system using the i2c bus or SMBus protocol. Its low power consumption, wide operating voltage range, and small package size make it an ideal choice for a variety of applications.