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TCA6424RGJR from TI,Texas Instruments

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TCA6424RGJR

Manufacturer: TI

Low-Voltage 24 Bit I2C and SMBus I/O Expander With Interrupt Output Reset and Config Registers 32-UQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TCA6424RGJR TI 605 In Stock

Description and Introduction

Low-Voltage 24 Bit I2C and SMBus I/O Expander With Interrupt Output Reset and Config Registers 32-UQFN -40 to 85 The TCA6424RGJR is a 24-bit I²C and SMBus I/O expander manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Interface:** I²C, SMBus  
- **Number of I/O Ports:** 24 (configurable as inputs or outputs)  
- **Supply Voltage Range:** 1.65V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** VQFN-32 (RGJ)  
- **I²C Bus Frequency:** Up to 400kHz  
- **Interrupt Output:** Configurable for monitoring input changes  
- **ESD Protection:** ±4000V HBM (Human Body Model)  

### **Descriptions:**  
The TCA6424RGJR is a low-voltage, bidirectional I/O expander designed for general-purpose I/O expansion in applications requiring additional ports. It communicates via the I²C/SMBus interface and supports interrupt functionality to notify the host of input state changes.  

### **Features:**  
- **24 Configurable I/O Pins:** Each pin can be independently set as input or output.  
- **Wide Voltage Compatibility:** Operates from 1.65V to 5.5V, making it suitable for mixed-voltage systems.  
- **Interrupt Function:** Alerts the host controller of input changes without continuous polling.  
- **Internal Power-On Reset:** Initializes registers to default states at power-up.  
- **Low Standby Current:** Optimized for power-sensitive applications.  
- **Schmitt-Trigger Inputs:** Improved noise immunity on input signals.  
- **Industrial Temperature Range:** Supports operation in harsh environments (-40°C to +85°C).  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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