3 TO 3.6V, LOW POWER, UP TO 400 KBPS RS-232 DRIVERS AND RECEIVERS The part **ST3222C** is manufactured by **STMicroelectronics (ST)**. Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Type:** RS-232 Transceiver  
- **Data Rate:** Up to **1Mbps**  
- **Operating Voltage:** **3V to 5.5V**  
- **Number of Drivers/Receivers:** **2 Drivers, 2 Receivers**  
- **ESD Protection:** **±15kV (Human Body Model)**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package Options:** **TSSOP-20, SO-20**  

### **Description:**  
The **ST3222C** is a **dual RS-232 transceiver** designed for **low-power, high-speed** data communication. It is compliant with **EIA/TIA-232-F** standards and supports **full-duplex** communication. The device includes an **onboard charge pump**, enabling operation from a single **3V to 5.5V supply** without requiring external voltage converters.  

### **Features:**  
- **Low Power Consumption** (Auto-Powerdown Mode)  
- **Enhanced ESD Protection** (±15kV HBM)  
- **Wide Supply Voltage Range (3V to 5.5V)**  
- **Meets EIA/TIA-232-F Standards**  
- **On-Chip Charge Pump for Voltage Conversion**  
- **Compatible with 3V and 5V Logic Levels**  
- **Available in TSSOP-20 and SO-20 Packages**  

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

3 TO 3.6V, LOW POWER, UP TO 400 KBPS RS-232 DRIVERS AND RECEIVERS