CAT9554WI-GT2 Integrated Circuits (ICs)

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 CAT9554WI-GT2 is an 8-bit I2C and SMBus I/O expander that allows for multiple input/output control points with a working voltage range of 2.7 V to 5.5 V. It is a versatile and cost-effective product ideal for embedded system applications. It has two, buffered, 2.2-kΩ pull-up resistors connected to the I2C bus.

The primary application field of the CAT9554WI-GT2 is for embedded systems. It can be used in various applications for controlling various devices such as motors, sensors, and actuators. This device is particularly advantageous in tight space applications and is often used where larger applications are needed but physical space is limited.

The working principle of the CAT9554WI-GT2 is based on the I2C and SMBus protocols. These protocols are master-slave type communication protocols mainly used for short-distance and embedded system communication. The CAT9554WI-GT2 is used to bridge the I2C protocol between the master and the slaves. It acts as an intermediary between the master and the slaves, allowing for necessary communication and control of multiple devices.

The CAT9554WI-GT2 sends out an 8-bit slave data packet along with a write/read control signal, which is decoded by the slave device. Depending on the mode it is programmed, the CAT9554WI-GT2 can receive data from the slave device and control access to the device or can control and receive data from multiple slaves simultaneously. Additionally, the CAT9554WI-GT2 also can acknowledge an interrupt signal from the slave device and can generate an interrupt signal from the system controller.

The CAT9554WI-GT2 provides advanced features such as a programmable input change latch and a programmable input port range. The programmable input change latch allows for quick detection of changes in the input state, which enables more efficient response time in applications. Furthermore, the programmable input port range allows for users to configure the input port so that it can accept either a single digital input or a group of up to 8 broad range inputs.

The CAT9554WI-GT2 provides a simple and efficient solution for systems where multiple intelligent or autonomous devices need to be connected together. With its low power consumption, operating temperature range, and easy-to-use interface, the CAT9554WI-GT2 is an ideal choice for embedded systems and other applications where efficient communication and control are necessary.

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