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SN74LS244J from TI,Texas Instruments

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SN74LS244J

Manufacturer: TI, TIX, MOT, MOTOROLA

Octal Buffers And Line Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74LS244J TI, TIX, MOT, MOTOROLA 699 In Stock

Description and Introduction

Octal Buffers And Line Drivers With 3-State Outputs The SN74LS244J is a part manufactured by Texas Instruments (TIX). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TIX)  
- **Part Number:** SN74LS244J  
- **Technology Family:** LS (Low-Power Schottky)  
- **Logic Type:** Buffer/Line Driver  
- **Number of Channels:** 8  
- **Output Type:** 3-State  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** DIP (Dual In-line Package)  
- **Pin Count:** 20  
- **Propagation Delay (Max):** 15 ns  
- **Output Current (High/Low):** ±15 mA / 24 mA  

### **Descriptions:**
The SN74LS244J is an octal buffer and line driver designed with 3-state outputs. It is commonly used for bus driving applications where multiple outputs need to be isolated or enabled selectively. The device features two groups of four buffers, each with independent output-enable controls.

### **Features:**
- **Octal Buffer/Line Driver:** Contains eight buffers in a single package.  
- **3-State Outputs:** Allows for high-impedance state when disabled.  
- **Independent Enable Controls:** Two enable pins (1G and 2G) control two groups of four buffers each.  
- **TTL-Compatible Inputs:** Works with standard TTL logic levels.  
- **Wide Operating Voltage Range:** Supports 4.75V to 5.25V.  
- **High-Speed Operation:** Low propagation delay for efficient signal transmission.  
- **DIP Packaging:** Easy to use in breadboards and through-hole PCB designs.  

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

Application Scenarios & Design Considerations

Octal Buffers And Line Drivers With 3-State Outputs

Alternative Part Number

  • DM74LS244N --: Same 74LS244 octal buffer/driver function in a DIP package from a different manufacturer and series prefix, making it a direct functional drop-in.
  • MC74LS244N --: Pin-compatible 74LS244 octal buffer with equivalent electrical characteristics, available in DIP and widely used as a replacement.
  • SN74LS244N --: Same TI LS244 function in the standard plastic DIP package, differing only in package suffix from the J (ceramic DIP) version.
  • 74LS244PC --: Standard 74LS244 octal buffer/driver in DIP, functionally equivalent and a distinct part naming from the original.

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