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MC74LCX125DR2 from ON,ON Semiconductor

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MC74LCX125DR2

Manufacturer: ON, MOT

Low-Voltage Quad Buffer with 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting)

Partnumber Manufacturer Quantity Availability
MC74LCX125DR2 ON, MOT 4997 In Stock

Description and Introduction

Low-Voltage Quad Buffer with 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting) # **MC74LCX125DR2: A High-Performance Quad Buffer Gate for Modern Electronics**  

In the fast-evolving world of digital electronics, reliable signal buffering and voltage level shifting are essential for seamless system integration. The **MC74LCX125DR2** is a high-performance **quad buffer gate** designed to meet the demands of modern low-voltage applications. With its advanced CMOS technology, this component ensures efficient signal conditioning while maintaining low power consumption and high-speed operation.  

## **Key Features and Benefits**  

### **1. Low-Voltage Operation**  
The MC74LCX125DR2 operates within a **2.0V to 3.6V** range, making it ideal for battery-powered devices and energy-efficient systems. Its compatibility with both **3.3V and 5V-tolerant inputs** allows seamless interfacing with mixed-voltage circuits, reducing the need for additional level-shifting components.  

### **2. High-Speed Performance**  
With propagation delays as low as **4.5ns**, this quad buffer ensures minimal signal distortion, making it suitable for high-frequency applications such as data communication, microprocessors, and embedded systems.  

### **3. Low Power Consumption**  
Designed with **CMOS technology**, the MC74LCX125DR2 minimizes power dissipation, a critical factor in portable and IoT devices. Its low static power consumption enhances energy efficiency without compromising performance.  

### **4. 3-State Outputs**  
Each of the four buffers features a **3-state output**, allowing multiple devices to share a common bus without interference. This feature is particularly useful in bus-oriented systems, memory interfacing, and data transmission applications.  

### **5. Robust Noise Immunity**  
The device incorporates **24mA balanced output drive**, ensuring strong signal integrity even in noisy environments. Its high noise immunity reduces the risk of false triggering, enhancing system reliability.  

## **Applications**  

The MC74LCX125DR2 is widely used in various industries, including:  
- **Consumer Electronics** – Signal conditioning in smartphones, tablets, and wearables.  
- **Automotive Systems** – Data communication and sensor interfacing.  
- **Industrial Automation** – Control logic and bus buffering.  
- **Telecommunications** – Signal routing and voltage level translation.  
- **Embedded Systems** – Microcontroller interfacing and peripheral control.  

## **Package and Availability**  

Housed in a compact **SOIC-14** package, the MC74LCX125DR2 offers space-saving benefits for densely populated PCBs. Its industry-standard footprint ensures easy integration into existing designs.  

## **Conclusion**  

The **MC74LCX125DR2** is a versatile and efficient solution for buffering and voltage level translation in modern digital systems. Its combination of **low-voltage operation, high-speed performance, and robust noise immunity** makes it a preferred choice for engineers designing power-sensitive and high-performance applications. Whether used in consumer electronics, industrial controls, or communication systems, this quad buffer gate delivers reliable performance in a compact, energy-efficient package.  

For designers seeking a dependable signal conditioning component, the MC74LCX125DR2 stands out as a high-quality, future-proof solution.

Application Scenarios & Design Considerations

Low-Voltage Quad Buffer with 5V-Tolerant Inputs and Outputs (3-State, Non-Inverting)

Alternative Part Number

  • SN74LVC125ADR --: Same quad bus buffer function with 3-state outputs, LVC family, SOIC-14 package, widely available and pin-compatible.
  • 74LCX125MTCX --: Equivalent LCX-series quad buffer with 3-state outputs, same logic family and voltage range, TSSOP package option.
  • 74LVC125APW,118 --: Quad buffer/line driver with 3-state outputs, LVC logic, low-power CMOS, suitable drop-in functional replacement.
  • 74LVC125APW --: Equivalent quad 3-state buffer with 3.3V LVC technology, offering similar drive and propagation characteristics in a TSSOP package.
  • 74LCX125MTC --: Same LCX logic family quad buffer with 3-state outputs, matching electrical behavior and pinout for direct substitution.

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