±15kV ESD Protected, 3V to 5.5V, 1μA, 250kbps, RS-232 Transmitters/Receivers The **ICL3222EIAZ-T** is a **3.0V to 5.5V, Low Power, 2-Driver/2-Receiver RS-232 Transceiver** manufactured by **Intersil** (now part of Renesas Electronics).  

### **Key Specifications:**  
- **Supply Voltage Range:** 3.0V to 5.5V  
- **Data Rate:** Up to **250kbps**  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SSOP (Shrink Small Outline Package)  
- **Compliance:** Meets EIA/TIA-232 and V.28/V.24 standards  

### **Descriptions & Features:**  
- **Low Power Consumption:** Designed for battery-powered applications.  
- **Auto-Powerdown Feature:** Reduces power consumption when not in use.  
- **Two Drivers & Two Receivers:** Supports full-duplex communication.  
- **On-Chip Charge Pump:** Eliminates the need for external ±12V supplies.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge.  
- **Pb-Free & RoHS Compliant:** Environmentally friendly manufacturing.  

This transceiver is commonly used in **portable devices, industrial systems, and embedded applications** requiring RS-232 communication.