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ISL8489IB from INTERSIL

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ISL8489IB

Manufacturer: INTERSIL, INTERSIL,IN

5V/ Low Power/ High Speed or Slew Rate Limited/ RS-485/RS-422 Transceivers

Partnumber Manufacturer Quantity Availability
ISL8489IB INTERSIL, INTERSIL,IN 3335 In Stock

Description and Introduction

5V/ Low Power/ High Speed or Slew Rate Limited/ RS-485/RS-422 Transceivers The ISL8489IB is a differential line transceiver manufactured by Intersil (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Intersil (now Renesas Electronics)  
- **Part Number:** ISL8489IB  
- **Type:** Differential Line Transceiver  
- **Interface Standard:** RS-485 / RS-422  
- **Supply Voltage:** 3V to 5.5V  
- **Data Rate:** Up to 20Mbps  
- **Number of Drivers/Receivers:** 1 Driver, 1 Receiver  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**
- The ISL8489IB is a high-speed differential bus transceiver designed for RS-485 and RS-422 communication.  
- It operates from a single 3V to 5.5V supply, making it suitable for low-voltage applications.  
- The device features a driver with tri-state outputs and a receiver with fail-safe inputs.  

### **Features:**
- **High-Speed Operation:** Supports data rates up to 20Mbps.  
- **Low Power Consumption:** Optimized for power-sensitive applications.  
- **Wide Supply Range:** Operates from 3V to 5.5V.  
- **Enhanced ESD Protection:** ±15kV Human Body Model (HBM) on bus pins.  
- **Half-Duplex Communication:** Single driver and receiver for bidirectional data transfer.  
- **Thermal Shutdown Protection:** Prevents damage from excessive power dissipation.  
- **Industrial Temperature Range:** Suitable for harsh environments (-40°C to +85°C).  

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

Application Scenarios & Design Considerations

5V/ Low Power/ High Speed or Slew Rate Limited/ RS-485/RS-422 Transceivers

Alternative Part Number

  • MAX3485ESA --: Pin-compatible RS-485/RS-422 transceiver in SOIC-8 with similar half-duplex operation and supply range, widely available as a drop-in replacement.
  • SN75176BDR --: Industry-standard half-duplex RS-485 transceiver in SOIC-8 with comparable driver/receiver characteristics and 5V supply, a common substitute.
  • SP485ECN-L --: Low-power RS-485 transceiver in SOIC-8 with similar electrical specifications and pinout, suitable for direct substitution in most designs.
  • MAX3485ESA+ --: Pin-compatible RS-485/RS-422 transceiver in SOIC-8 with similar half-duplex functionality and widely available as a drop-in replacement.

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