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ICL3244CB from INTERSIL

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ICL3244CB

Manufacturer: INTERSIL, HARRIS

1Microamp, +3V to +5.5V, 250kbps, RS-232 Transceiver with Enhanced Automatic Powerdown

Partnumber Manufacturer Quantity Availability
ICL3244CB INTERSIL, HARRIS 3333 In Stock

Description and Introduction

1Microamp, +3V to +5.5V, 250kbps, RS-232 Transceiver with Enhanced Automatic Powerdown The ICL3244CB is a quad RS-232 transceiver manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Supply Voltage Range:** +3.0V to +5.5V  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 4 Drivers, 4 Receivers  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 28-Lead SOIC (Small Outline Integrated Circuit)  
- **ESD Protection:** ±15kV (Human Body Model) on RS-232 I/O pins  
- **Low Power Consumption:** Typically 1mA in shutdown mode  

### **Descriptions:**
- The ICL3244CB is a low-power, quad RS-232 transceiver designed for serial communication applications.  
- It complies with EIA/TIA-232-F standards and is compatible with 3V to 5V logic levels.  
- The device integrates charge-pump circuitry to generate RS-232 voltage levels from a single power supply.  
- It is suitable for battery-powered systems due to its low power consumption and shutdown mode.  

### **Features:**
- **Auto-Powerdown Feature:** Automatically enters low-power mode when no signal is detected.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge on RS-232 lines.  
- **Wide Supply Voltage Range:** Supports operation from 3V to 5.5V.  
- **Small Footprint:** 28-lead SOIC package for space-constrained applications.  
- **Compatible with 3V/5V Logic:** Interfaces seamlessly with both 3V and 5V microcontrollers.  

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

Application Scenarios & Design Considerations

1Microamp, +3V to +5.5V, 250kbps, RS-232 Transceiver with Enhanced Automatic Powerdown

Alternative Part Number

  • MAX3244CAI+ --: Pin-compatible 3V RS-232 transceiver with same 4-driver/5-receiver configuration and similar speed, widely available from Maxim.
  • SP3244ECA-L --: Direct functional equivalent 3V RS-232 transceiver with matching driver/receiver count and auto-shutdown feature, different series naming.
  • ADM3244ARUZ --: 3V RS-232 transceiver with comparable driver/receiver count and low-power operation, suitable drop-in alternative from a different vendor.
  • MAX3244CAI --: Pin-compatible 3V RS-232 transceiver with the same 3-driver/5-receiver configuration and auto-shutdown feature, widely available as a direct functional replacement.
  • SP3244ECA --: Equivalent 3V RS-232 transceiver offering matching driver/receiver count and shutdown behavior, commonly used to replace the ICL3244 series.
  • ADM3244ARU --: Comparable 3V RS-232 transceiver with similar driver/receiver topology and low-power shutdown, suitable as a cross-manufacturer alternative.

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