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ST232B from ST,ST Microelectronics

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ST232B

Manufacturer: ST

5V POWERED MULTI-CHANNEL RS-232 DRIVERS AND RECEIVERS
Partnumber Manufacturer Quantity Availability
ST232B ST 2631 In Stock

Description and Introduction

5V POWERED MULTI-CHANNEL RS-232 DRIVERS AND RECEIVERS The ST232B is a 5V-powered RS-232 driver/receiver manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Supply Voltage:** 5V ±10%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 120 kbps  
- **ESD Protection:** ±15 kV (Human Body Model)  
- **Number of Drivers/Receivers:** 2 drivers, 2 receivers  
- **Package Options:** SO-16, DIP-16  

### **Descriptions and Features:**  
- Designed for RS-232 communication in harsh environments.  
- Meets EIA/TIA-232-F and ITU-T V.28 standards.  
- Low power consumption.  
- Onboard charge pump for ±10V output swing.  
- Compatible with 3.3V and 5V logic levels.  
- Suitable for battery-powered applications.  

For detailed electrical characteristics, refer to the official ST232B datasheet.

Application Scenarios & Design Considerations

5V POWERED MULTI-CHANNEL RS-232 DRIVERS AND RECEIVERS

Alternative Part Number

  • MAX232CPE --: Industry-standard RS-232 transceiver with the same 5V dual charge-pump architecture and pinout, widely available and a direct functional drop-in for ST232B.
  • ICL232CPE --: Pin-compatible dual RS-232 driver/receiver with equivalent 5V operation and charge-pump design, a well-established second-source alternative.
  • SP232ACP --: Low-cost pin-compatible RS-232 transceiver with matching 5V supply and driver/receiver configuration, suitable as a cost-effective substitute.

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