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SP3243EEA-L from SIPEX/EXAR

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SP3243EEA-L

Manufacturer: SIPEX/EXAR, SIPEX

3 Driver/5 Receiver Intelligent 3.0V to 5.5V RS-232 Transceivers

Partnumber Manufacturer Quantity Availability
SP3243EEA-L,SP3243EEAL SIPEX/EXAR, SIPEX 2292 In Stock

Description and Introduction

3 Driver/5 Receiver Intelligent 3.0V to 5.5V RS-232 Transceivers The SP3243EEA-L is a 3.0V to 5.5V RS-232 transceiver manufactured by SIPEX/EXAR. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage:** 3.0V to 5.5V  
- **Data Rate:** Up to 235 kbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Number of Drivers/Receivers:** 3 drivers, 5 receivers  
- **Package:** 28-pin SSOP (Shrink Small Outline Package)  
- **ESD Protection:** ±15kV (Human Body Model)  
- **Low Power Consumption:** Auto-powerdown feature  

### **Descriptions:**
- The SP3243EEA-L is a low-power, high-performance RS-232 transceiver designed for portable and battery-powered applications.  
- It complies with EIA/TIA-232-F standards and is compatible with 3.3V and 5V logic levels.  
- The device includes an efficient charge pump circuit, eliminating the need for external voltage converters.  

### **Features:**
- **Auto-Powerdown:** Automatically enters low-power mode when no signal activity is detected.  
- **Enhanced ESD Protection:** Protects against electrostatic discharge up to ±15kV.  
- **Wide Supply Voltage Range:** Operates from 3.0V to 5.5V.  
- **Small Footprint:** Available in a compact 28-pin SSOP package.  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Three-State Outputs:** Allows for bus sharing in multi-drop applications.  

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

Application Scenarios & Design Considerations

3 Driver/5 Receiver Intelligent 3.0V to 5.5V RS-232 Transceivers

Alternative Part Number

  • MAX3243ECAI+ --: Pin-compatible 3V RS-232 transceiver with the same 28-pin SSOP footprint and comparable ESD protection; widely available and a common drop-in replacement.
  • ICL3243ECAZ --: Equivalent 3V RS-232 transceiver in the same SSOP-28 package with matching driver/receiver count and auto-shutdown feature.
  • ST3243ECPR --: Functionally equivalent 3V RS-232 transceiver with similar pinout and ESD ratings, suitable as a lower-cost second source.

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