±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers The **MAX489EESD+T** is a **low-power transceiver** manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **Maxim Integrated** (now part of Analog Devices)  

### **Specifications:**  
- **Type:** RS-485/RS-422 Transceiver  
- **Supply Voltage:** **4.75V to 5.25V**  
- **Data Rate:** **Up to 2.5Mbps**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Number of Drivers/Receivers:** **1 Driver, 1 Receiver**  
- **Package:** **14-SOIC (150mil)**  
- **ESD Protection:** **±15kV (Human Body Model)**  
- **Low Power Consumption:**  
  - **Shutdown Current:** **0.1µA (max)**  
  - **Operating Current:** **120µA (max)**  

### **Descriptions:**  
- The **MAX489EESD+T** is designed for **half-duplex** communication in **RS-485/RS-422** networks.  
- It features **reduced slew-rate drivers** to minimize EMI and reflections in **unterminated** or **mismatched** transmission lines.  
- Includes **fail-safe circuitry** ensuring a **logic-high receiver output** when inputs are open or shorted.  

### **Features:**  
- **Low-Power Operation** (suitable for battery-powered applications)  
- **Enhanced ESD Protection** (±15kV HBM)  
- **Slew-Rate Limited for Error-Free Data Transmission**  
- **Half-Duplex Communication**  
- **Thermal Shutdown Protection**  
- **Compatible with TIA/EIA-485-A and TIA/EIA-422-B Standards**  

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