+3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers with ±15kV ESD-Protected I/O and Logic Pins The **MAX3238EEAI+** is a **3.0V to 5.5V**, **low-power**, **3-driver/5-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:** Up to **250kbps**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **28-pin SSOP (Shrink Small Outline Package)**  
- **ESD Protection:** **±15kV (Human Body Model)** on RS-232 I/O pins  
- **Low Power Consumption:**  
  - **1µA (Shutdown Mode)**  
  - **1mA (Active Mode)**  

### **Features:**  
- **AutoShutdown™ Plus feature** for automatic power-down when no valid signal is detected  
- **Interoperable with 3V/5V logic**  
- **Five receivers** (two always active, three switchable)  
- **Three drivers**  
- **Meets EIA/TIA-232 and V.28/V.24 standards**  
- **On-board charge pump** for RS-232 voltage generation  

### **Applications:**  
- **Industrial equipment**  
- **Battery-powered devices**  
- **Point-of-sale terminals**  
- **Networking and telecom systems**  

This transceiver is designed for **robust RS-232 communication** in **low-power and space-constrained** applications.