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SN74AHC244PW from TI&BB,Texas Instruments

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SN74AHC244PW

Manufacturer: TI&BB

Octal Buffers/Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74AHC244PW TI&BB 1 In Stock

Description and Introduction

Octal Buffers/Drivers With 3-State Outputs The SN74AHC244PW is an octal buffer and line driver manufactured by Texas Instruments (TI) and Burr-Brown (BB).  

### **Specifications:**  
- **Logic Type:** Buffer/Line Driver  
- **Number of Channels:** 8  
- **Output Type:** 3-State  
- **Voltage Supply Range:** 2V to 5.5V  
- **High-Level Output Current:** -8mA  
- **Low-Level Output Current:** 8mA  
- **Propagation Delay:** 8.5ns (typical) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TSSOP-20  

### **Descriptions:**  
The SN74AHC244PW is an octal buffer and line driver designed for 2V to 5.5V VCC operation. It features 3-state outputs that can drive bus lines or buffer memory address registers.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 5.5V  
- **Balanced Propagation Delays**  
- **Low Power Consumption**  
- **3-State Outputs for Bus-Oriented Applications**  
- **ESD Protection Exceeds JESD 22**  
- **Latch-Up Performance Exceeds 250mA per JESD 78**  

This device is commonly used in digital systems for signal buffering and line driving applications.

Application Scenarios & Design Considerations

Octal Buffers/Drivers With 3-State Outputs

Alternative Part Number

  • MC74VHC244DTG --: Octal buffer/line driver with 3-state outputs in TSSOP, functionally equivalent to the SN74AHC244 and widely available as a drop-in replacement.
  • 74AHC244PW,118 --: Same AHC logic family octal buffer in TSSOP package with matching pinout and electrical characteristics, suitable direct substitute.
  • SN74LVC244APW --: Octal buffer/line driver in TSSOP with 3-state outputs; LVC family offers similar function with wider supply range, usable where slight speed/voltage differences are acceptable.

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