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MC74HCT573ADWR2 from ON,ON Semiconductor

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MC74HCT573ADWR2

Manufacturer: ON, MOT

Octal 3-State Inverter Transceiver/Latch

Partnumber Manufacturer Quantity Availability
MC74HCT573ADWR2 ON, MOT 1990 In Stock

Description and Introduction

Octal 3-State Inverter Transceiver/Latch # **MC74HCT573ADWR2: A High-Performance Octal Transparent Latch for Modern Electronics**  

In the fast-paced world of digital electronics, reliable and efficient components are essential for seamless system performance. The **MC74HCT573ADWR2** is a high-speed octal transparent latch designed to meet the demands of modern digital applications. With its robust design, low power consumption, and compatibility with TTL levels, this IC is an excellent choice for data storage, buffering, and signal routing in a variety of circuits.  

## **Key Features and Benefits**  

### **1. High-Speed Operation**  
The MC74HCT573ADWR2 operates at high speeds, making it ideal for applications requiring rapid data transfer. With propagation delays as low as **15 ns**, it ensures efficient signal processing in time-critical systems.  

### **2. Octal Transparent Latch Functionality**  
This IC features eight D-type latches with 3-state outputs, allowing for simultaneous control of multiple data lines. The transparent latch design means that while the latch enable (LE) input is high, the outputs follow the data inputs, providing real-time data flow.  

### **3. TTL-Level Compatibility**  
The HCT family is designed to interface seamlessly with both CMOS and TTL logic levels, ensuring broad compatibility with existing systems. This makes the MC74HCT573ADWR2 a versatile choice for mixed-logic environments.  

### **4. 3-State Outputs for Bus-Oriented Applications**  
The 3-state outputs enable direct connection to a bus-organized system, allowing multiple devices to share a common data bus without interference. The output enable (OE) pin provides additional control, ensuring high-impedance states when necessary.  

### **5. Low Power Consumption**  
Built with advanced CMOS technology, this latch minimizes power consumption while maintaining high performance, making it suitable for battery-powered and energy-efficient applications.  

## **Applications**  
The MC74HCT573ADWR2 is widely used in various digital systems, including:  
- **Microprocessor and microcontroller interfacing** – Acts as an address or data buffer.  
- **Memory address latching** – Ensures stable data retention in RAM and ROM systems.  
- **Data bus buffering** – Facilitates efficient communication between multiple ICs.  
- **Industrial control systems** – Provides reliable signal routing in automation and control circuits.  

## **Package and Availability**  
The MC74HCT573ADWR2 comes in a **20-pin SOIC (DW) package**, offering a compact footprint for space-constrained designs. Its surface-mount design ensures easy integration into modern PCB layouts.  

## **Conclusion**  
For engineers and designers seeking a dependable, high-speed octal latch, the **MC74HCT573ADWR2** delivers exceptional performance, compatibility, and efficiency. Whether used in computing, communications, or industrial applications, this component provides the reliability needed for demanding digital systems.  

By incorporating the MC74HCT573ADWR2 into your designs, you can enhance signal integrity, reduce power consumption, and streamline data handling—ensuring optimal performance in today’s advanced electronic applications.

Application Scenarios & Design Considerations

Octal 3-State Inverter Transceiver/Latch

Alternative Part Number

  • SN74HCT573DWR --: Direct functional equivalent octal D-type transparent latch with 3-state outputs in the same SOIC-20 wide package and HCT logic family, widely available and pin-compatible.
  • CD74HCT573E --: Same HCT573 latch function from the CD74HCT series, electrically compatible with the original, though in a DIP package so verify the footprint before substitution.
  • 74HCT573D --: Standard 74HCT573 octal transparent latch in SOIC-20, pin-compatible and functionally identical, offering a second-source option with good availability.

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