VERY HIGH SPEED LOW POWER RS-485/RS422 TRANSCEIVER The ST485ABD is a low-power transceiver manufactured by STMicroelectronics, designed for RS-485 and RS-422 communication.  

### **Specifications:**  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 2.5 Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** Typically 300µA in shutdown mode  
- **Half-Duplex Communication**  
- **Package:** SO-8  

### **Descriptions and Features:**  
- Compliant with **RS-485 and RS-422** standards  
- **Fail-safe receiver** (ensures logic-high output when inputs are open or shorted)  
- **Thermal shutdown protection**  
- **Driver output short-circuit protection**  
- **High input impedance** (allows up to 32 transceivers on the bus)  
- **Wide common-mode voltage range** (±7V) for noise immunity  
- **Low EMI** (electromagnetic interference)  

The ST485ABD is commonly used in industrial control systems, telecommunications, and networking applications.  

Would you like additional details on pin configuration or application notes?

VERY HIGH SPEED LOW POWER RS-485/RS422 TRANSCEIVER