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ICL3221CV from INTERSIL

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ICL3221CV

Manufacturer: INTERSIL

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver

Partnumber Manufacturer Quantity Availability
ICL3221CV INTERSIL 140 In Stock

Description and Introduction

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver The ICL3221CV is a low-power RS-232 transceiver manufactured by Renesas Electronics (formerly Intersil). Below are its key specifications, descriptions, and features:

### **Manufacturer Specifications:**
- **Supply Voltage:** 3.0V to 5.5V  
- **Data Rate:** Up to 250kbps  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin SOIC (Small Outline Integrated Circuit)  
- **Interface Standards:** EIA/TIA-232-F compliant  

### **Descriptions:**
- The ICL3221CV is a single-channel RS-232 transceiver designed for low-power applications.  
- It integrates a charge pump to generate RS-232 voltage levels (±5.5V) from a single 3V to 5.5V supply.  
- Suitable for battery-powered devices, portable equipment, and industrial applications.  

### **Features:**
- **Low Power Consumption:** Auto-shutdown and wake-up features reduce power usage.  
- **On-Chip Charge Pump:** Eliminates the need for external voltage converters.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge (ESD) up to ±15kV.  
- **Wide Supply Range:** Operates from 3.0V to 5.5V, making it compatible with 3.3V and 5V systems.  
- **Small Footprint:** 16-pin SOIC package saves board space.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver

Alternative Part Number

  • MAX3221CUE+ --: Pin-compatible RS-232 transceiver with auto-shutdown, same 16-pin TSSOP footprint and 3V/5V operation, widely available and functionally equivalent to the ICL3221.
  • SP3221ECY-L --: Direct functional equivalent RS-232 transceiver with auto-powerdown feature, same package and pinout, good second-source option for the ICL3221CV.
  • ST3222ECDR --: RS-232 transceiver with similar auto-shutdown and 3V/5V capability; pinout and package are compatible enough for drop-in evaluation, offering a distinct series as an alternative source.
  • ST3221ECDR --: Low-power RS-232 transceiver with matching 3V/5V supply range and shutdown feature, suitable as a functional replacement when layout allows minor pin adjustments.

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