3.3V POWERED, 15KV ESD PROTECTED, TRANSMIT ANT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER The ST3485EC is a 3.3V-powered RS-485/RS-422 transceiver manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Supply Voltage:** 3.3V ±10%  
- **Data Rate:** Up to 10 Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Half-Duplex Operation**  
- **Low Power Consumption:** 300µA (Typical Quiescent Current)  
- **Bus I/O Protection:** ±12V Fault Protection  

### **Description:**  
The ST3485EC is designed for high-speed bidirectional data communication over long distances in noisy environments. It complies with the RS-485 and RS-422 standards, making it suitable for industrial, automotive, and networking applications.  

### **Features:**  
- **3.3V Operation** (Compatible with low-voltage systems)  
- **Enhanced ESD Protection** (±15kV HBM)  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection** on Driver Outputs  
- **Wide Common-Mode Voltage Range:** ±12V  
- **Available in SO-8 Package**  

This transceiver is commonly used in industrial automation, motor control, and point-of-sale systems.

3.3V POWERED, 15KV ESD PROTECTED, TRANSMIT ANT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER