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ST26C31BD from ST,ST Microelectronics

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ST26C31BD

Manufacturer: ST

CMOS QUAD TRI-STATE DIFFERENTIAL LINE DRIVER

Partnumber Manufacturer Quantity Availability
ST26C31BD ST 2859 In Stock

Description and Introduction

CMOS QUAD TRI-STATE DIFFERENTIAL LINE DRIVER The ST26C31BD is a quad differential line driver manufactured by STMicroelectronics. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** ±4.5V to ±5.5V (dual supply) or 4.5V to 5.5V (single supply).  
- **Output Current:** ±60mA (maximum).  
- **Propagation Delay:** 10ns (typical).  
- **Operating Temperature Range:** -40°C to +85°C.  
- **Package:** SO-16.  

### **Description:**
The ST26C31BD is designed for high-speed digital data transmission over balanced lines. It complies with EIA standards RS-422 and RS-423, making it suitable for applications requiring noise immunity and long-distance communication.  

### **Features:**
- **Quad Differential Line Driver:** Four independent drivers in a single package.  
- **High-Speed Operation:** Supports data rates up to 10Mbps.  
- **Low Power Consumption:** Typically 40mW per driver.  
- **Wide Common-Mode Range:** ±7V for noise immunity.  
- **Short-Circuit Protection:** Built-in protection on outputs.  
- **TTL/CMOS Compatible Inputs:** Works with standard logic levels.  

This device is commonly used in industrial, telecom, and networking applications where reliable differential signaling is required.

Application Scenarios & Design Considerations

CMOS QUAD TRI-STATE DIFFERENTIAL LINE DRIVER

Alternative Part Number

  • DS26C31TM --: Pin-compatible quad RS-422/RS-485 line driver from the original DS26C31 family that ST's ST26C31BD is based on; widely available and functionally equivalent.
  • AM26C31CD --: Quad differential line driver with the same RS-422 interface function and SOIC package, offering direct drop-in electrical compatibility.
  • SN75174N --: Quad differential line driver suitable for RS-422/RS-485 applications; a well-established alternative when the exact 26C31 pinout is not mandatory.

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