Precision, 16-Channel/Dual 8-Channel, High-Performance, CMOS Analog Multiplexers The MAX307CWI+ is a 3.3V-powered, ±15kV ESD-protected, 20Mbps, half-duplex RS-485/RS-422 transceiver manufactured by Maxim Integrated.  

### **Key Specifications:**  
- **Supply Voltage:** 3.3V  
- **Data Rate:** Up to 20Mbps  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Interface Standards:** RS-485, RS-422  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOIC (CWI)  
- **Half-Duplex Communication**  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Receiver Input Impedance:** ≥12kΩ  
- **Common-Mode Input Voltage Range:** -7V to +12V  

### **Features:**  
- **Fail-Safe Receiver** (Ensures logic-high output when inputs are open, shorted, or idle)  
- **Low Power Consumption**  
- **Hot-Swap Input Structure** (Prevents glitches during power-up)  
- **Slew-Rate Limited for Reduced EMI**  
- **Short-Circuit Current Limiting**  

This transceiver is designed for robust industrial communication, offering high-speed data transmission with strong ESD protection.