Manufacturer Part Number
TCA9534DWR
Manufacturer
Texas Instruments
Introduction
The TCA9534DWR is an 8-bit input/output (I/O) port expander with an I²C-bus interface. It allows the expansion of the number of available digital I/O lines for a microcontroller or processor.
Product Features and Performance
8-bit parallel input/output port
I²C-bus interface with 400-kHz clock frequency
Push-pull output drivers
Power-on reset (POR) function
Operating voltage range of 1.65V to 5.5V
Wide operating temperature range of -40°C to 85°C
Product Advantages
Expandable I/O capabilities for microcontrollers
Simplified PCB layout and reduced component count
Wide voltage and temperature operating ranges
Key Technical Parameters
I/O Count: 8
Interface: I²C
Clock Frequency: 400 kHz
Interrupt Output: Yes
Voltage Supply: 1.65V to 5.5V
Quality and Safety Features
RoHS3 compliant
16-SOIC package
Compatibility
Compatible with a wide range of microcontrollers and processors that support the I²C-bus interface.
Application Areas
Industrial automation
Home appliances
Embedded systems
General-purpose I/O expansion
Product Lifecycle
This product is currently in production and widely available. Texas Instruments continues to support the TCA9534 family, and there are no plans for discontinuation in the near future.
Key Reasons to Choose This Product
Expandable I/O capabilities for microcontrollers, allowing you to add more digital inputs and outputs as needed.
Simplified PCB layout and reduced component count, leading to more efficient and compact designs.
Wide voltage and temperature operating ranges, making the TCA9534DWR suitable for a variety of applications and environments.
Reliable performance with features like power-on reset and I²C-bus interface, ensuring stable and robust operation.
RoHS3 compliance, ensuring the product meets the latest environmental regulations.