+-15kV ESD protected, 5V, low power, high speed and slew rate limited, full duplex, RS-485/RS-422 transceiver. The **ISL8489EIBZ** is a **RS-485/RS-422 transceiver** manufactured by **Intersil** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Supply Voltage Range:** **4.5V to 5.5V**  
- **Data Rate:** **Up to 250kbps**  
- **Number of Drivers/Receivers:** **1 Driver, 1 Receiver**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **8-SOIC**  
- **Half-Duplex Communication**  
- **ESD Protection:** **±15kV (Human Body Model)**  
- **Low Power Consumption:**  
  - **Supply Current (Disabled):** **1µA (Max)**  
  - **Supply Current (Enabled, No Load):** **1.5mA (Max)**  
- **Compliant with:** **TIA/EIA-485-A and TIA/EIA-422-B Standards**  

### **Descriptions:**  
- Designed for **bidirectional data transmission** on **multipoint bus networks**.  
- Supports **half-duplex** RS-485/RS-422 communication.  
- Features **thermal shutdown protection** and **receiver fail-safe** for open/short conditions.  
- Suitable for **industrial control, automation, and instrumentation** applications.  

### **Features:**  
- **Low Power Consumption** (ideal for battery-powered systems).  
- **Enhanced ESD Protection** for robustness in harsh environments.  
- **Wide Common-Mode Voltage Range (±12V)** for noise immunity.  
- **Driver Output Short-Circuit Protection**.  
- **Receiver Input Hysteresis** for improved noise rejection.  
- **Hot-Swap Capability** (reduces data errors during live insertion).  

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