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MAX3243CWI from MAXIM,MAXIM - Dallas Semiconductor

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MAX3243CWI

Manufacturer: MAXIM

1A Supply Current / True +3V to +5.5V RS 232 Transceiver with AutoShutdown

Partnumber Manufacturer Quantity Availability
MAX3243CWI MAXIM 202 In Stock

Description and Introduction

1A Supply Current / True +3V to +5.5V RS 232 Transceiver with AutoShutdown The MAX3243CWI is a 3V-powered EIA/TIA-232 and V.28/V.24 communications interface device manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage:** 3V to 5.5V  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 3 Drivers, 5 Receivers  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOIC (Wide)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 1µA (Shutdown Mode)  

### **Descriptions:**  
The MAX3243CWI is designed for RS-232 communication in battery-powered and portable applications. It includes a charge-pump voltage converter to generate RS-232 compliant ±5.5V outputs from a single 3V to 5.5V supply.  

### **Features:**  
- **Auto-Shutdown Plus™ Feature:** Automatically powers down when no valid RS-232 signal is detected.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge up to ±15kV.  
- **Low Supply Current:** 300µA (Typical) in active mode.  
- **Compatible with 3V/5V Logic:** Works with mixed-voltage systems.  
- **Meets EIA/TIA-232-F Standards:** Ensures reliable communication.  

This device is commonly used in laptops, PDAs, and other portable electronics requiring RS-232 connectivity.

Partnumber Manufacturer Quantity Availability
MAX3243CWI MAXIM 5 In Stock

Description and Introduction

1A Supply Current / True +3V to +5.5V RS 232 Transceiver with AutoShutdown The MAX3243CWI is a 3V to 5.5V powered RS-232 transceiver manufactured by Maxim Integrated.  

### **Key Specifications:**  
- **Supply Voltage Range:** 3V to 5.5V  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 3 drivers, 5 receivers  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOIC (Wide)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 1µA shutdown current  

### **Descriptions and Features:**  
- **RS-232 Compliance:** Meets EIA/TIA-232 and V.28/V.24 standards.  
- **Auto-Shutdown:** Automatically enters low-power mode when no valid signal is detected.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge up to ±15kV.  
- **On-Chip Charge Pump:** Eliminates the need for external voltage converters.  
- **Receiver Hysteresis:** Improves noise immunity in electrically noisy environments.  
- **Applications:** Used in portable devices, industrial equipment, and battery-powered systems requiring RS-232 communication.  

This device is designed for reliable serial communication with minimal power consumption.

Partnumber Manufacturer Quantity Availability
MAX3243CWI MAX 35 In Stock

Description and Introduction

1A Supply Current / True +3V to +5.5V RS 232 Transceiver with AutoShutdown The MAX3243CWI is a 3V-powered EIA/TIA-232 and V.28/V.24 communications interface device manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage:** 3V to 5.5V  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 3 drivers, 5 receivers  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOIC (Wide)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** 1µA (Shutdown Mode)  

### **Descriptions:**
- The MAX3243CWI is a low-power, 3V to 5.5V RS-232 transceiver.  
- It features an enhanced ESD protection structure, making it robust against electrostatic discharge.  
- It includes a proprietary low-dropout transmitter output stage for true RS-232 performance from a single 3V supply.  
- The device is designed for battery-powered and portable applications.  

### **Features:**
- **AutoShutdown Plus™:** Automatically powers down when no valid RS-232 signal is detected.  
- **Interoperable with 5V Logic:** Works seamlessly with both 3V and 5V systems.  
- **Enhanced ESD Protection:** Protects against ±15kV (HBM) on transmitter outputs and receiver inputs.  
- **Low Standby Current:** Consumes only 1µA in shutdown mode.  
- **Meets EIA/TIA-232 and V.28/V.24 Standards:** Ensures compatibility with standard RS-232 interfaces.  

This information is sourced from Maxim Integrated's official datasheet for the MAX3243CWI.

Partnumber Manufacturer Quantity Availability
MAX3243CWI 16 In Stock

Description and Introduction

1A Supply Current / True +3V to +5.5V RS 232 Transceiver with AutoShutdown The MAX3243CWI is a 3V-powered EIA/TIA-232 and V.28/V.24 communications interface device with low power consumption.  

### **Manufacturer:**  
- **Manufacturer:** Maxim Integrated (now part of Analog Devices)  

### **Key Specifications:**  
- **Supply Voltage (VCC):** 3V to 5.5V  
- **Data Rate:** Up to 250kbps  
- **Number of Drivers/Receivers:** 3 drivers, 5 receivers  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOIC (Wide)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:**  
  - 1µA shutdown current  
  - 300µA active supply current  

### **Description:**  
The MAX3243CWI is a 3V-powered RS-232 transceiver designed for battery-powered applications. It includes a proprietary low-dropout transmitter output stage enabling true RS-232 performance from a single 3V supply.  

### **Features:**  
- Operates from a **single 3V to 5.5V supply**  
- **Auto-shutdown** feature to conserve power  
- **Enhanced ESD protection** (±15kV HBM) on all transmitter outputs and receiver inputs  
- **Meets EIA/TIA-232 and V.28/V.24 standards**  
- **Three drivers and five receivers**  
- **Pin-compatible with industry-standard MAX3243**  

This device is commonly used in **portable computers, PDAs, and other battery-powered systems** requiring RS-232 communication.  

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

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