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SN74ACT244 from TEXAS

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SN74ACT244

Manufacturer: TEXAS, TI

Octal Buffers/Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74ACT244 TEXAS, TI 33 In Stock

Description and Introduction

Octal Buffers/Drivers With 3-State Outputs The SN74ACT244 is an octal buffer and line driver manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Octal Buffer/Line Driver  
- **Number of Channels:** 8  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **Input Voltage Range:** 0V to VCC  
- **Output Current (High/Low):** ±24mA  
- **Propagation Delay:** 8.5ns (max) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOIC, TSSOP, PDIP  

### **Descriptions:**  
The SN74ACT244 is a non-inverting octal buffer and line driver designed for high-speed CMOS logic applications. It features 3-state outputs for bus-oriented systems and provides high drive capability.  

### **Features:**  
- **3-State Outputs** for bus interfacing  
- **High-Speed Operation** (compatible with TTL levels)  
- **Balanced Propagation Delays**  
- **Low Power Consumption**  
- **ESD Protection** (exceeds 2000V per JESD 22)  
- **Wide Operating Voltage Range** (4.5V to 5.5V)  

This device is commonly used in memory address driving, clock buffering, and general-purpose logic applications.

Application Scenarios & Design Considerations

Octal Buffers/Drivers With 3-State Outputs

Alternative Part Number

  • MC74ACT244ADWG --: Same ACT-family octal buffer/line driver with 3-state outputs in a comparable SOIC package, widely available and functionally equivalent.
  • 74ACT244SCX --: Pin-compatible ACT-series octal buffer with 3-state outputs, direct drop-in replacement for the SN74ACT244 in most designs.
  • CD74ACT244E --: TI's CD-series ACT octal buffer/line driver with identical logic function and pinout, suitable when a different series naming is preferred.
  • 74ACT244SC --: Same ACT logic family octal buffer/line driver with 3-state outputs, pin-compatible and widely available as a direct second source.
  • MC74ACT244N --: Equivalent ACT-series octal buffer/driver in DIP package, same function and drive strength, suitable drop-in replacement.

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