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ICL3243CA from INTERSIL

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ICL3243CA

Manufacturer: INTERSIL

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

Partnumber Manufacturer Quantity Availability
ICL3243CA INTERSIL 779 In Stock

Description and Introduction

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver The ICL3243CA is a RS-232 transceiver manufactured by **INTERSIL** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Supply Voltage:** 3.0V to 5.5V  
- **Data Rate:** Up to **250kbps**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Number of Drivers/Receivers:** **3 Drivers, 5 Receivers**  
- **ESD Protection:** **±15kV (Human Body Model)**  
- **Package:** **28-Lead SSOP**  
- **Compliance:** Meets **EIA/TIA-232-F** standards  

### **Description:**
The ICL3243CA is a **low-power, 3.0V to 5.5V RS-232 transceiver** designed for serial communication applications. It integrates charge-pump circuitry to generate RS-232 voltage levels from a single supply, eliminating the need for external ±12V supplies.  

### **Features:**
- **Low Power Consumption:**  
  - **Auto-Powerdown** feature for reduced power usage.  
  - **1µA Supply Current** in shutdown mode.  
- **Enhanced ESD Protection:**  
  - **±15kV HBM** on transmitter outputs and receiver inputs.  
- **Wide Supply Range:** Supports **3.0V to 5.5V** operation.  
- **On-Chip Charge Pump:** Generates RS-232 compliant **±5.5V** output levels.  
- **Receiver Hysteresis:** Improves noise immunity.  
- **Pin-Compatible:** Drop-in replacement for similar RS-232 transceivers.  

This device is commonly used in **battery-powered systems, industrial controls, and portable equipment** requiring robust RS-232 communication.  

Would you like additional details on pin configurations or application notes?

Application Scenarios & Design Considerations

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver
Partnumber Manufacturer Quantity Availability
ICL3243CA INTERSIL 250 In Stock

Description and Introduction

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver The **ICL3243CA** is a **3.0V to 5.5V, low-power, 3-driver/5-receiver RS-232 transceiver** manufactured by **Intersil** (now part of Renesas Electronics).  

### **Key Specifications:**  
- **Supply Voltage Range:** **3.0V to 5.5V**  
- **Data Rate:** **250kbps** (guaranteed at 3.3V)  
- **Low Power Consumption:**  
  - **Active Mode:** **1mA typical**  
  - **Shutdown Mode:** **1µA typical**  
- **Number of Drivers/Receivers:** **3 drivers, 5 receivers**  
- **ESD Protection:** **±15kV (Human Body Model)**  
- **Operating Temperature Range:** **0°C to +70°C**  
- **Package Type:** **28-lead SOIC**  

### **Descriptions and Features:**  
- Designed for **RS-232 communication** in **battery-powered and portable applications**.  
- Operates from a **single power supply (3.3V or 5V)**.  
- **Auto-powerdown feature** to conserve energy when not in use.  
- **Meets EIA/TIA-232-F standards**.  
- **Enhanced ESD protection** on transmitter outputs and receiver inputs.  
- **Receiver hysteresis** for improved noise immunity.  

This IC is commonly used in **industrial control, networking, and embedded systems** requiring RS-232 communication.  

*(Note: Intersil was acquired by Renesas Electronics in 2017, but legacy Intersil part numbers may still be referenced.)*

Application Scenarios & Design Considerations

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver
Partnumber Manufacturer Quantity Availability
ICL3243CA INTER 97 In Stock

Description and Introduction

One microamp supply-current, +3V to +5.5V, 250kbps, RS-232 transmitter/receiver The ICL3243CA is a 3.0V to 5.5V RS-232 transceiver manufactured by **Intersil (now part of Renesas Electronics)**. Below are the key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 3.0V to 5.5V  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 3 drivers, 5 receivers  
- **Operating Temperature Range:** -40°C to +85°C  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Package Type:** 28-lead SSOP  

### **Descriptions:**
- The ICL3243CA is a low-power, RS-232-compliant transceiver designed for battery-powered and portable applications.  
- It integrates charge-pump circuitry to generate RS-232 voltage levels (±5.5V) from a single 3V to 5.5V supply.  
- The device includes three drivers, five receivers, and features an automatic power-down function to reduce power consumption when inactive.  

### **Features:**
- **Low Power Consumption:**  
  - 1µA (typ) shutdown current.  
  - Meets EIA/TIA-232-F standards.  
- **Enhanced ESD Protection:**  
  - ±15kV on transmitter outputs and receiver inputs.  
- **Auto-Powerdown:**  
  - Automatically enters low-power mode when no signal activity is detected.  
- **Wide Supply Voltage Range:**  
  - Supports 3V to 5.5V operation.  
- **Pin-Compatible:**  
  - Drop-in replacement for MAX3243 and similar devices.  

For detailed electrical characteristics and application circuits, refer to the official datasheet from Renesas Electronics (formerly Intersil).

Application Scenarios & Design Considerations

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

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