PCF8574DWE4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The PCF8574DWE4 is an I/O expander developed by Philips Semiconductors. The PCF8574DWE4 is an 8-bit, open-drain I/O port expander that can be used to increase the number of I/O ports available in a system.

The PCF8574DWE4 can be used to increase the number of available I/O lines in a system, as well as to provide additional functions, such as controlling the interface between different components. It can also be used to improve the software architecture of a system.

The PCF8574DWE4 is designed to be used in applications where I/O port expansion is needed; it is particularly suitable for microprocessor-based systems that have limited I/O capability.

The PCF8574DWE4 can be used in applications such as peripheral control, status monitoring, temperature sensing, and lighting control for street lights, heating systems and intelligent buildings. Additionally, it can be used in medical applications to control medical equipment.

The PCF8574DWE4 is also used in applications such as automation and control, robotics and aviation, as well as communications and security systems.

The PCF8574DWE4 is based on an I2C (Inter-Integrated Circuit) bus, which is used for communication between an I2C master (microcontroller or microprocessor) and the expander. The expander can be used to increase the number of I/O ports available. The PCF8574DWE4 has an internal register that can be used as a buffer to store data before sending it to the I2C master.

The PCF8574DWE4 also has two 4-bit inputs and two 4-bit outputs. The 4-bit inputs are used to transfer data to the I2C master, and the 4-bit outputs are used to transfer data from the I2C master. Additionally, the PCF8574DWE4 can be configured to operate in either an input or output mode, depending on the application.

The PCF8574DWE4 also features an interrupt pin that can be used to signal when data is ready in the internal register. The interrupt pin can be used as an interrupt source, or can be connected to an external interrupt pin on the I2C master for better performance.

The PCF8574DWE4 provides an efficient and cost-effective solution for expanding the number of I/O ports in a system. The device is ideal for a wide range of applications, including peripheral control, temperature sensing, lighting control, medical equipment control, automation, control systems, robotics and aviation, and communications.

The PCF8574DWE4 is based on an I2C bus and features two 4-bit inputs and two 4-bit outputs, as well as an interrupt pin that can be used as an interrupt source. The device can be configured to operate in either an input or output mode depending on the application.

The specific data is subject to PDF, and the above content is for reference