Texas Instruments

TCA9554DBR  

I/O Expanders

TCA9554DBR Description

The TCA9554DBR is a high-performance I/O expander designed and manufactured by Texas Instruments. This 8-bit I/O expander operates at a clock frequency of 400 kHz, making it suitable for applications requiring fast data transfer and processing. With a supply voltage range of 1.65V to 5.5V, the TCA9554DBR can be used in a variety of electronic systems. This device is surface-mountable, making it ideal for space-constrained applications. The TCA9554DBR is RoHS compliant and REACH unaffected, ensuring its environmental friendliness.

TCA9554DBR Features

• 8-bit I/O expander with 8 I/O lines
• Clock frequency of 400 kHz
• Supply voltage range of 1.65V to 5.5V
• Surface-mountable
• RoHS compliant and REACH unaffected
• I2C interface for easy integration with microcontrollers
• Interrupt output for efficient handling of I/O events
• Power-on reset (POR) feature for reliable operation
• Moisture sensitivity level (MSL) of 1 (unlimited)

The TCA9554DBR stands out from similar models due to its high clock frequency, wide supply voltage range, and the inclusion of an interrupt output. These features make it suitable for a wide range of applications, including industrial automation, home automation, and consumer electronics.

TCA9554DBR Applications

The TCA9554DBR is ideal for applications where multiple I/O lines are required, such as:

1. Industrial automation: The TCA9554DBR can be used to expand the I/O capabilities of industrial control systems, allowing for the control of various sensors and actuators.
2. Home automation: This I/O expander can be used to control smart home devices, such as lighting, heating, and security systems, by interfacing with microcontrollers.
3. Consumer electronics: The TCA9554DBR can be used in electronic devices like gaming consoles, set-top boxes, and digital cameras to expand their I/O capabilities.

Conclusion of TCA9554DBR

The TCA9554DBR is a versatile and high-performance I/O expander from Texas Instruments. Its unique features, such as a high clock frequency, wide supply voltage range, and interrupt output, make it suitable for a wide range of applications. With its RoHS compliance and REACH unaffected status, the TCA9554DBR is an environmentally friendly choice for expanding I/O capabilities in various electronic systems.

TCA9554DBR Documents

Download datasheets and manufacturer documentation for TCA9554DBR

Datasheets :

TCA9554      

HTML Datasheet :

TCA9554      

PCN Design/Specification :

TCA954/4A DataSheet Update 1/Mar/2017