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SN74LS126AM from TI,Texas Instruments

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SN74LS126AM

Manufacturer: TI, MOT

Quad 3-State Buffers

Partnumber Manufacturer Quantity Availability
SN74LS126AM TI, MOT 1691 In Stock

Description and Introduction

Quad 3-State Buffers The SN74LS126AM is a quad bus buffer gate manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Buffer/Line Driver, Non-Inverting  
- **Number of Channels:** 4  
- **Output Type:** 3-State  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **High-Level Output Current (IOH):** -2.6 mA  
- **Low-Level Output Current (IOL):** 24 mA  
- **Propagation Delay Time (tpd):** 15 ns (max)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** SOIC-14  

### **Descriptions:**  
The SN74LS126AM is a quadruple bus buffer with 3-state outputs, designed to drive high-capacitance loads. It features independent output-enable (OE) inputs for each buffer, allowing for flexible bus interfacing.  

### **Features:**  
- Non-inverting buffers  
- 3-state outputs for bus-oriented applications  
- High fan-out capability  
- TTL-compatible inputs  
- Common output enable control per buffer  
- Standard 14-pin SOIC package  

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

Application Scenarios & Design Considerations

Quad 3-State Buffers

Alternative Part Number

  • DM74LS126AM --: Pin-compatible quad bus buffer with 3-state outputs in the same LS logic family, direct functional drop-in replacement.
  • MC74LS126AD --: Equivalent quad 3-state buffer with identical logic function and pinout, widely available alternate source.
  • SN74LS125AN --: Same quad 3-state buffer family with active-low enables instead of active-high; usable if enable polarity is adjusted in the design.

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