Texas Instruments

TCA7408ZSZR  

I/O Expanders

TCA7408ZSZR Description

The TCA7408ZSZR is an I/O Expander manufactured by Texas Instruments, designed to offer reliable and efficient expansion of I/O capabilities in various applications. This device features an I2C and SMBus interface, allowing for easy integration with existing systems. With a clock frequency of 400 kHz, it provides fast data transfer rates, ensuring efficient communication between devices. The TCA7408ZSZR is designed for surface mount applications, making it suitable for use in compact and space-constrained systems.

TCA7408ZSZR Features

• 8-Channel I/O Expander: The TCA7408ZSZR offers 8 I/O channels, providing ample expansion capabilities for various applications.
• 400 kHz Clock Frequency: This high clock frequency enables fast data transfer rates, ensuring efficient communication between devices.
• I2C and SMBus Interface: The TCA7408ZSZR supports both I2C and SMBus interfaces, allowing for easy integration with existing systems.
• 1.65V to 3.6V Supply Voltage Range: This wide supply voltage range makes the TCA7408ZSZR suitable for a variety of applications with different power requirements.
• 10mA Output Current: The TCA7408ZSZR can source or sink up to 10mA, providing sufficient drive capability for various loads.
• POR Feature: The device includes a Power-On Reset (POR) feature, ensuring reliable startup and operation.
• Interrupt Output: The TCA7408ZSZR features an interrupt output, allowing for notification of specific events or conditions.
• RoHS3 Compliant: The device is compliant with the RoHS3 directive, making it suitable for use in environmentally conscious applications.

TCA7408ZSZR Applications

The TCA7408ZSZR is ideal for a variety of applications where I/O expansion is required, including:

1. Industrial Automation: The TCA7408ZSZR can be used to expand the I/O capabilities of industrial control systems, enabling the control of additional sensors and actuators.
2. Consumer Electronics: In consumer electronics, the TCA7408ZSZR can be used to add additional I/O functionality, such as controlling external devices or expanding user input options.
3. Automotive Applications: The TCA7408ZSZR can be used in automotive applications to expand the I/O capabilities of infotainment systems or other vehicle control systems.
4. Medical Devices: In medical devices, the TCA7408ZSZR can be used to expand the I/O capabilities, enabling the control of additional sensors and actuators for monitoring and treatment purposes.

Conclusion of TCA7408ZSZR

The TCA7408ZSZR is a versatile I/O expander that offers a range of features and benefits, making it suitable for a variety of applications. Its high clock frequency, wide supply voltage range, and support for both I2C and SMBus interfaces make it an ideal choice for expanding I/O capabilities in various systems. While the device is now considered obsolete, it remains a reliable option for applications that require its specific features and capabilities.

TCA7408ZSZR Documents

Download datasheets and manufacturer documentation for TCA7408ZSZR

Datasheets :

TCA7408      

PCN Obsolescence/ EOL :

EOL Mult Devices 30/Apr/2019      

HTML Datasheet :

TCA7408