3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-TSSOP 0 to 70 The SN75C3221PWRG4 is a dual RS-232 line driver/receiver manufactured by Texas Instruments (TI).  

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

### **Descriptions:**  
- Designed for bidirectional data communication over RS-232 interfaces.  
- Compatible with TIA/EIA-232-F and ITU v.28 standards.  
- Low-power consumption with shutdown mode for power-sensitive applications.  

### **Features:**  
- **Dual Driver/Receiver:** Supports two full-duplex channels.  
- **Wide Supply Voltage:** Operates at 3.3V or 5V.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge.  
- **Low Standby Current:** Reduces power consumption in shutdown mode.  
- **Small Footprint:** TSSOP-16 package for space-constrained designs.  

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

3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 16-TSSOP 0 to 70