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TCA4311DGKR from TI,Texas Instruments

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TCA4311DGKR

Manufacturer: TI

Hot Swappable 2-Wire Bus Buffers 8-VSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TCA4311DGKR TI 6246 In Stock

Description and Introduction

Hot Swappable 2-Wire Bus Buffers 8-VSSOP -40 to 85 The TCA4311DGKR is a CMOS I2C bus repeater manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **I2C Bus Capacitance Buffering:** Supports up to 400pF on both sides  
- **Maximum Data Rate:** 400kHz (Fast-mode I2C)  
- **Low Standby Current:** 2µA (typical)  
- **Package:** 8-pin VSSOP (DGKR)  

### **Descriptions:**  
The TCA4311DGKR is a bidirectional I2C bus repeater that allows voltage level translation between different I2C bus segments. It features automatic direction sensing, eliminating the need for direction control signals. The device supports hot insertion and prevents bus lock-up.  

### **Features:**  
- **Bidirectional Voltage-Level Translation:** Works between 2.7V and 5.5V buses  
- **Automatic Direction Control:** No external direction control needed  
- **Hot Insertion Protection:** Prevents bus disturbances during insertion  
- **Bus Lock-Up Prevention:** Recovers stuck buses  
- **Low-Power Design:** 2µA standby current (typical)  
- **ESD Protection:** ±8kV HBM (Human Body Model)  

This device is commonly used in applications requiring I2C bus extension, buffering, or voltage-level translation.

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