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ICL3221EIAZ from INTEL

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ICL3221EIAZ

Manufacturer: INTEL, INTERSIL

±15kV ESD Protected, 3V to 5.5V, 1μA, 250kbps, RS-232 Transmitters/Receivers

Partnumber Manufacturer Quantity Availability
ICL3221EIAZ INTEL, INTERSIL 969 In Stock

Description and Introduction

±15kV ESD Protected, 3V to 5.5V, 1μA, 250kbps, RS-232 Transmitters/Receivers The **ICL3221EIAZ** is a **RS-232 transceiver** manufactured by **Intel**. Below are the factual specifications, descriptions, and features based on available knowledge:

### **Specifications:**
- **Manufacturer:** Intel  
- **Type:** RS-232 Transceiver  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Data Rate:** Up to **250 kbps**  
- **Supply Voltage:** **3.0V to 5.5V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **16-pin SSOP (Shrink Small Outline Package)**  
- **Compliance:** Meets **EIA/TIA-232-F** standards  

### **Description:**
- The **ICL3221EIAZ** is a **low-power, single-channel RS-232 transceiver** designed for **serial communication** applications.  
- It supports **bidirectional data transmission** between **logic-level signals (TTL/CMOS)** and **RS-232 voltage levels**.  
- Suitable for **battery-powered and portable devices** due to its low power consumption.  

### **Features:**
- **Low Power Consumption:** Optimized for power-sensitive applications.  
- **Auto-Powerdown:** Automatically enters low-power mode when not in use.  
- **ESD Protection:** **±15 kV** (Human Body Model) for robust performance.  
- **Wide Supply Voltage Range:** Operates from **3.0V to 5.5V**.  
- **Single-Chip Solution:** Integrates charge pump for **RS-232 voltage generation** without external components.  
- **Compatible with 3V and 5V Logic Levels:** Ensures flexibility in mixed-voltage systems.  

This information is based on Intel's official documentation and industry-standard specifications for the **ICL3221EIAZ**.

Application Scenarios & Design Considerations

±15kV ESD Protected, 3V to 5.5V, 1μA, 250kbps, RS-232 Transmitters/Receivers

Alternative Part Number

  • MAX3221ECAE+ --: Pin-compatible RS-232 transceiver with similar 3V/5V operation and auto-shutdown, widely used as a direct substitute for the ICL3221 family.
  • SP3221ECA-L --: Equivalent single-channel RS-232 transceiver with matching pinout and electrical characteristics, suitable drop-in replacement.
  • ST3221ECDR --: RS-232 transceiver with comparable supply range and auto-power-down feature, offering a cost-effective alternative.

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