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SN74HC244DBR from TEXAS

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SN74HC244DBR

Manufacturer: TEXAS, TI

Octal Buffers And Line Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HC244DBR TEXAS, TI 13785 In Stock

Description and Introduction

Octal Buffers And Line Drivers With 3-State Outputs The SN74HC244DBR is an octal buffer and line driver manufactured by Texas Instruments. Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Technology Family:** HC (High-Speed CMOS)  
- **Supply Voltage Range:** 2V to 6V  
- **Input Voltage Range:** 0V to VCC  
- **Output Current:** ±6mA (at 4.5V supply)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SSOP (DBR)  
- **Number of Channels:** 8 (Octal)  
- **Logic Type:** Buffer/Line Driver  
- **Output Type:** 3-State  
- **Propagation Delay:** 12ns (typical at 5V)  

### **Description:**  
The SN74HC244DBR is a non-inverting octal buffer and line driver designed for high-speed CMOS applications. It features 3-state outputs, allowing multiple devices to share a common bus without interference. The device is commonly used for signal buffering and driving high-capacitance loads.

### **Features:**  
- **Octal Buffer/Line Driver with 3-State Outputs**  
- **Non-Inverting Logic**  
- **High-Current Outputs for Driving Heavy Loads**  
- **Balanced Propagation Delays**  
- **Wide Operating Voltage Range (2V to 6V)**  
- **Low Power Consumption**  
- **ESD Protection Exceeds 2000V (HBM)**  
- **Available in SSOP-20 Package**  

This device is suitable for applications requiring bus driving, signal buffering, and interfacing in digital systems.

Application Scenarios & Design Considerations

Octal Buffers And Line Drivers With 3-State Outputs

Alternative Part Number

  • MC74HC244ADTR2G --: Same 74HC244 octal buffer/driver function in a TSSOP package, widely available and pin-compatible with the original.
  • 74HC244PW,118 --: Equivalent 74HC244 octal buffer with 3-state outputs in TSSOP, direct functional replacement for the DB package.
  • CD74HC244M96 --: Same manufacturer's 74HC244 octal buffer/driver, similar electrical characteristics, though in SOIC package requiring footprint adaptation.
  • MC74HC244ADWR2G --: Octal buffer/line driver with 3-state outputs in the same HC logic family and SOIC-20 wide package, pin-compatible and widely available as a direct second source.
  • 74HC244D,653 --: Equivalent 74HC244 octal buffer in SOIC-20, same function and pinout, from a major logic supplier with good availability.

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