±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown The **MAX3221EEUE+T** is a **3.0V to 5.5V**, low-power, **1-driver/1-receiver** RS-232 transceiver manufactured by **Maxim Integrated (now part of Analog Devices)**.  

### **Key Specifications:**  
- **Supply Voltage Range:** **3.0V to 5.5V**  
- **Data Rate:** **235kbps** (minimum guaranteed)  
- **Number of Drivers/Receivers:** **1 Driver, 1 Receiver**  
- **ESD Protection:** **±15kV (Human Body Model)**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **16-TSSOP**  
- **Low Power Consumption:**  
  - **1µA (Shutdown Mode)**  
  - **300µA (Active Mode, No Load)**  
- **Compliance:** Meets **EIA/TIA-232** and **V.28/V.24** standards  

### **Features:**  
- **Auto-Shutdown/Enable** (reduces power consumption when inactive)  
- **On-Chip Charge Pump** (eliminates the need for external ±12V supplies)  
- **Interoperable with 3V/5V Logic**  
- **Small Footprint** (suitable for space-constrained applications)  
- **Enhanced ESD Protection** for robust communication  

### **Applications:**  
- **Portable/Battery-Powered Devices**  
- **Handheld Equipment**  
- **Industrial Control Systems**  
- **Point-of-Sale (POS) Terminals**  
- **Networking Equipment**  

This transceiver is designed for reliable **RS-232 communication** in **low-voltage, low-power** applications.