Texas Instruments

TCA6408RGTR  

I/O Expanders

TCA6408RGTR Description

The TCA6408RGTR is an 8-bit I/O expander designed by Texas Instruments, featuring an I²C and SMBus interface. This device operates within a supply voltage range of 1.65V to 5.5V and supports a clock frequency of 400 kHz. It is housed in a 16-pin VQFN package and is suitable for surface-mount applications. The TCA6408RGTR provides a versatile solution for expanding I/O capabilities in various electronic systems.

TCA6408RGTR Features

• I/O Expansion: The TCA6408RGTR offers 8 programmable I/O pins, making it ideal for applications requiring additional I/O lines.
• Power-On Reset (POR): This feature ensures reliable operation by resetting the device to a known state upon power-up.
• Interrupt Output: The device includes an interrupt output capability, allowing efficient communication with the host controller.
• Output Current Capability: The TCA6408RGTR can source up to 10mA and sink up to 25mA per I/O pin, providing robust current handling for various applications.
• Wide Voltage Range: The device operates within a wide supply voltage range of 1.65V to 5.5V, making it suitable for a variety of power supply configurations.
• Compliance and Standards: The TCA6408RGTR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Packaging: The device is available in a Tape & Reel (TR) package, facilitating easy handling and integration into automated assembly processes.

TCA6408RGTR Applications

The TCA6408RGTR is well-suited for a variety of applications where I/O expansion is necessary. Some specific use cases include:

• Embedded Systems: Ideal for expanding the I/O capabilities of microcontrollers and microprocessors in embedded systems.
• Consumer Electronics: Enhances the functionality of devices by providing additional I/O lines for peripherals.
• Industrial Automation: Useful in industrial control systems where multiple I/O lines are required for sensors and actuators.
• Communication Systems: Provides additional I/O for communication interfaces, such as I²C and SMBus, in networking and telecommunication equipment.

Conclusion of TCA6408RGTR

The TCA6408RGTR from Texas Instruments is a versatile and reliable I/O expander that offers significant benefits for applications requiring additional I/O lines. With its wide operating voltage range, robust current handling, and compliance with industry standards, the TCA6408RGTR is an excellent choice for expanding I/O capabilities in a variety of electronic systems. Despite being marked as obsolete, its features and performance make it a valuable component for existing and legacy designs.

TCA6408RGTR Documents

Download datasheets and manufacturer documentation for TCA6408RGTR

Datasheets :

TCA6408      

PCN Obsolescence/ EOL :

TCA6408 EOL 6/Oct/2015      

PCN Design/Specification :

Datasheet Update 25/Jun/2014