15 KV ESD PROTECTED 3 TO 5.5V, LOW POWER, UP TO 250KBPS RS-232 DRIVERS AND RECEIVERS The ST3222EC is a dual transmitter/receiver (dual transceiver) IC manufactured by STMicroelectronics. It is designed for RS-232 communication and operates with a single 3.3V power supply.  

### **Specifications:**  
- **Supply Voltage (VCC):** 3.3V ±10%  
- **Data Rate:** Up to 400kbps  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Power Consumption:** Typically 1mA in shutdown mode  
- **Number of Drivers/Receivers:** 2 Drivers, 2 Receivers  
- **Package Options:** TSSOP-20  

### **Features:**  
- Meets EIA/TIA-232-F standards  
- Auto-powerdown feature for reduced power consumption  
- Onboard charge pump for ±5.5V output  
- Compatible with 3V and 5V logic levels  
- Enhanced ESD protection on driver outputs and receiver inputs  

This device is commonly used in industrial, telecom, and embedded systems requiring reliable RS-232 communication.

15 KV ESD PROTECTED 3 TO 5.5V, LOW POWER, UP TO 250KBPS RS-232 DRIVERS AND RECEIVERS