3-V To 5.5-V Single Channel RS-232 1 Mbit/s Line Driver/Receiver 16-TSSOP 0 to 70 The SN75C3221EPWR is a dual-channel RS-232 line driver/receiver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage:** 3.3V or 5V  
- **Data Rate:** Up to 1Mbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 2 Drivers, 2 Receivers  
- **Package:** TSSOP-16 (EPWR)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Interface Standards:** EIA/TIA-232-F  

### **Descriptions:**  
The SN75C3221EPWR is designed for RS-232 communication in applications requiring low power consumption and high-speed data transmission. It integrates charge-pump circuitry to generate RS-232 voltage levels from a single 3.3V or 5V supply.  

### **Features:**  
- **Dual-Channel RS-232 Transceiver**  
- **Auto-Powerdown Feature** (Reduces power consumption when inactive)  
- **Enhanced ESD Protection** (±15kV HBM)  
- **Wide Supply Voltage Range** (3V to 5.5V)  
- **Low Power Consumption**  
- **Compatible with TIA/EIA-232-F Standards**  

This device is commonly used in industrial, telecom, and computing applications requiring reliable serial communication.

3-V To 5.5-V Single Channel RS-232 1 Mbit/s Line Driver/Receiver 16-TSSOP 0 to 70