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SN74F125 from TI,Texas Instruments

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SN74F125

Manufacturer: TI

Quadruple Bus Buffer Gate With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74F125 TI 560 In Stock

Description and Introduction

Quadruple Bus Buffer Gate With 3-State Outputs The SN74F125 is a quad bus buffer gate manufactured by Texas Instruments. Here are its specifications, descriptions, and features:

### **Specifications:**
- **Logic Type:** Buffer/Line Driver  
- **Number of Channels:** 4  
- **Output Type:** 3-State  
- **Supply Voltage (VCC):** 4.5V to 5.5V  
- **High-Level Output Current:** -12 mA  
- **Low-Level Output Current:** 24 mA  
- **Propagation Delay Time:** 5.5 ns (max) at 5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Options:** PDIP-14, SOIC-14, TSSOP-14  

### **Descriptions:**
- The SN74F125 is a quad bus buffer gate with 3-state outputs, designed for bus-oriented applications.  
- Each of the four buffers has an active-low output enable (OE) input that places the output in a high-impedance state when deactivated.  
- It is compatible with TTL input and output levels.  

### **Features:**
- **3-State Outputs:** Allows multiple devices to share a common bus without interference.  
- **High Drive Outputs:** Capable of driving heavily loaded buses.  
- **Fast Switching Speed:** Optimized for high-speed operation.  
- **Wide Operating Voltage Range:** Supports standard 5V logic systems.  
- **TTL-Compatible Inputs:** Ensures compatibility with existing TTL logic families.  

This information is sourced from Texas Instruments' official documentation.

Application Scenarios & Design Considerations

Quadruple Bus Buffer Gate With 3-State Outputs

Alternative Part Number

  • MC74F125N --: Same 74F logic family quad buffer with 3-state outputs, pin-compatible DIP package and directly interchangeable in most designs.
  • 74F125PC --: Equivalent 74F125 quad bus buffer with 3-state outputs in DIP, same function and pinout as the TI device.
  • SN74ACT125N --: Quad buffer with 3-state outputs in the same pinout; ACT family offers similar drive with lower power, usable as a functional substitute where speed margin allows.
  • 74F125D --: Same 74F125 function in SOIC package, suitable when surface-mount form factor is acceptable.

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