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ST3243B from ST,ST Microelectronics

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ST3243B

Manufacturer: ST

3 TO 5.5V 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN

Partnumber Manufacturer Quantity Availability
ST3243B ST 240 In Stock

Description and Introduction

3 TO 5.5V 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN The part **ST3243B** is a **dual transceiver** manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** Dual Transceiver  
- **Interface Standards:** RS-232, RS-422, RS-485  
- **Supply Voltage:** 3.3V or 5V (depending on variant)  
- **Data Rate:** Up to **20 Mbps** (for RS-422/RS-485)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package Options:** **SO-28, TSSOP-28**  

### **Descriptions:**  
- Designed for **high-speed communication** in industrial and embedded systems.  
- Supports **full-duplex (RS-232) and half-duplex (RS-485)** modes.  
- Features **ESD protection** (typically ±15kV HBM).  
- Low power consumption with **standby modes** for power-sensitive applications.  

### **Features:**  
- **Dual-channel** transceiver for flexible communication setups.  
- **Wide supply voltage range** (compatible with 3.3V and 5V systems).  
- **Enhanced ESD protection** for robustness in harsh environments.  
- **Auto-power-down** feature to save energy when inactive.  
- **Driver/receiver enable control** for bus management.  

This part is commonly used in **industrial automation, networking, and embedded systems** requiring reliable serial communication.  

Would you like additional details on pinout or application notes?

Application Scenarios & Design Considerations

3 TO 5.5V 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN

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