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ST3222BTR from STM,ST Microelectronics

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ST3222BTR

Manufacturer: STM, ST

3 TO 3.6V, LOW POWER, UP TO 400 KBPS RS-232 DRIVERS AND RECEIVERS

Partnumber Manufacturer Quantity Availability
ST3222BTR STM, ST 4552 In Stock

Description and Introduction

3 TO 3.6V, LOW POWER, UP TO 400 KBPS RS-232 DRIVERS AND RECEIVERS The ST3222BTR is a dual driver/receiver IC manufactured by STMicroelectronics (STM). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (STM)  
- **Type:** Dual Transceiver (Driver/Receiver)  
- **Interface Type:** RS-232  
- **Number of Drivers/Receivers:** 2 Drivers, 2 Receivers  
- **Data Rate:** Up to **400 kbps**  
- **Operating Voltage:** **3.0V to 5.5V**  
- **ESD Protection:** **±15 kV (Human Body Model)**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **TSSOP-16**  

### **Descriptions:**  
- The ST3222BTR is a **low-power, 3.0V to 5.5V RS-232 transceiver** compliant with EIA/TIA-232-F standards.  
- It includes **two drivers and two receivers**, making it suitable for full-duplex communication.  
- Designed for **battery-powered and portable applications** due to its low power consumption.  
- Features **enhanced ESD protection** (±15 kV HBM) on all transceiver pins.  

### **Features:**  
- **Wide Supply Voltage Range (3.0V to 5.5V)** – Compatible with 3.3V and 5V systems.  
- **Low Power Consumption** – Optimized for battery-powered applications.  
- **Auto-Powerdown Feature** – Reduces power consumption when not in use.  
- **Meets EIA/TIA-232-F Standards** – Ensures reliable RS-232 communication.  
- **High ESD Protection (±15 kV HBM)** – Protects against electrostatic discharge.  
- **Small Footprint (TSSOP-16 Package)** – Suitable for space-constrained designs.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

3 TO 3.6V, LOW POWER, UP TO 400 KBPS RS-232 DRIVERS AND RECEIVERS

Alternative Part Number

  • MAX3222ECP+ --: Pin-compatible RS-232 transceiver with similar 3V/5V operation and dual charge pump; widely available drop-in alternative.
  • SP3222ECA-L --: Direct functional equivalent RS-232 transceiver in the same 3222 family class, offering comparable data rate and supply voltage range.
  • ICL3222ECAZ --: Equivalent 3V RS-232 transceiver with matching pinout and charge-pump architecture, suitable as a second-source replacement.

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