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MC74VHC245DTR2 from ON,ON Semiconductor

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MC74VHC245DTR2

Manufacturer: ON, MOTO

Octal Bus Transceiver

Partnumber Manufacturer Quantity Availability
MC74VHC245DTR2 ON, MOTO 17500 In Stock

Description and Introduction

Octal Bus Transceiver # MC74VHC245DTR2: A High-Performance Octal Bus Transceiver for Modern Applications  

In today’s fast-paced electronics landscape, efficient signal transmission between different voltage domains is crucial. The **MC74VHC245DTR2** is a high-performance octal bus transceiver designed to meet these demands, offering robust functionality, low power consumption, and high-speed operation.  

## Key Features and Benefits  

### **High-Speed Operation**  
The MC74VHC245DTR2 operates at high speeds, making it suitable for applications requiring rapid data transfer. With propagation delays as low as **4.3 ns**, this transceiver ensures minimal signal lag, enhancing system responsiveness in time-critical environments.  

### **Wide Voltage Compatibility**  
Supporting a broad supply voltage range of **2.0V to 5.5V**, the MC74VHC245DTR2 is compatible with both **3.3V and 5V** logic levels. This flexibility allows seamless integration into mixed-voltage systems without requiring additional level-shifting components.  

### **Bidirectional Data Flow**  
Featuring **bidirectional data lines**, the transceiver enables efficient two-way communication between buses. The direction of data flow is controlled via a **Direction (DIR) pin**, simplifying system design and reducing component count.  

### **Low Power Consumption**  
Built with **CMOS technology**, the MC74VHC245DTR2 minimizes power dissipation, making it ideal for battery-powered and energy-efficient applications. Its low static power consumption ensures extended operational life in portable and embedded systems.  

### **Robust Output Drive**  
With a balanced output drive capability, the transceiver can source or sink up to **8 mA**, ensuring reliable signal integrity even in noisy environments. This makes it well-suited for industrial and automotive applications where signal robustness is critical.  

### **ESD Protection**  
The device includes built-in **ESD protection**, safeguarding against electrostatic discharge events that could otherwise damage sensitive circuitry. This feature enhances reliability in harsh operating conditions.  

## Applications  

The **MC74VHC245DTR2** is widely used across various industries, including:  
- **Data communication systems** – Facilitating signal buffering and voltage translation in networking equipment.  
- **Industrial automation** – Enabling robust signal transmission in PLCs and motor control systems.  
- **Automotive electronics** – Supporting reliable data transfer in infotainment and control modules.  
- **Consumer electronics** – Used in smart devices, gaming consoles, and other high-speed digital systems.  

## Package and Availability  

The MC74VHC245DTR2 comes in a compact **TSSOP-20** package, optimizing board space while maintaining excellent thermal and electrical performance. Its surface-mount design simplifies assembly, making it a cost-effective solution for high-volume production.  

## Conclusion  

The **MC74VHC245DTR2** is a versatile and high-performance octal bus transceiver that meets the demands of modern electronic systems. With its high-speed operation, wide voltage compatibility, and robust design, it provides an efficient solution for bidirectional data transfer in diverse applications. Engineers and designers seeking a reliable, low-power transceiver will find this component an excellent choice for their next project.  

For detailed specifications and application notes, consult the official datasheet to ensure optimal integration into your design.

Application Scenarios & Design Considerations

Octal Bus Transceiver

Alternative Part Number

  • SN74AHC245DWR --: Same octal bus transceiver function with 3-state outputs in a wide-body SOIC-20 package, widely available and pin-compatible.
  • 74VHC245MTCX --: Equivalent VHC-family octal bus transceiver from the same manufacturer, offering similar speed and drive characteristics.
  • 74AHC245PW,118 --: AHC-family octal bus transceiver with comparable logic levels and 3-state outputs, suitable drop-in functional replacement.
  • 74AHC245D --: Equivalent AHC octal bus transceiver in SOIC package with matching function and voltage range, suitable for direct substitution.
  • CD74ACT245M --: ACT-family octal bus transceiver offering similar drive and TTL-compatible inputs, usable as a functional alternative when AHC parts are unavailable.

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