Encyclopedia Entry: 74ACTQ543SCX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic Device
• Characteristics: High-speed, low-power octal transceiver with tri-state outputs
• Package: Surface Mount (SCX)
• Essence: The 74ACTQ543SCX is a versatile IC that facilitates bidirectional data transfer between two independent buses. It is commonly used in applications requiring efficient data communication and control.
• Packaging/Quantity: The 74ACTQ543SCX is typically available in reels or tubes, with varying quantities depending on the supplier.

Specifications

• Supply Voltage: 2.0V to 6.0V
• Input Voltage Levels: High: 2.0V to VCC, Low: GND to 0.8V
• Output Voltage Levels: High: VCC - 0.5V, Low: 0.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4.5ns (Max)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74ACTQ543SCX has a total of 20 pins, each serving a specific function. Here is a detailed pin configuration:

1. OE (Output Enable) A
2. I/O0A
3. I/O1A
4. I/O2A
5. I/O3A
6. I/O4A
7. I/O5A
8. I/O6A
9. I/O7A
10. GND (Ground)
11. I/O7B
12. I/O6B
13. I/O5B
14. I/O4B
15. I/O3B
16. I/O2B
17. I/O1B
18. I/O0B
19. OE (Output Enable) B
20. VCC (Supply Voltage)

Functional Features

• Bidirectional data transfer between two independent buses
• Tri-state outputs for efficient control of bus connections
• High-speed operation with low propagation delay
• Wide operating voltage range for compatibility with various systems
• Robust output drive capability for driving external loads

Advantages and Disadvantages

Advantages: - Enables efficient bidirectional data communication - Low power consumption - Compact surface mount package - Wide operating temperature range - Versatile and widely used in digital logic applications

Disadvantages: - Limited number of input/output pins - Requires careful consideration of voltage levels to prevent damage

Working Principles

The 74ACTQ543SCX operates based on the principles of digital logic. It uses a combination of transistors, gates, and flip-flops to facilitate bidirectional data transfer between two buses. The tri-state outputs allow the IC to effectively control the connection between the buses, enabling seamless data communication.

Detailed Application Field Plans

The 74ACTQ543SCX finds application in various fields where efficient data transfer and control are essential. Some detailed application field plans include:

1. Data communication systems
2. Microprocessor interfacing
3. Industrial automation
4. Telecommunications equipment
5. Automotive electronics
6. Robotics and control systems

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74ACTQ543SCX. Some popular alternatives include:

1. 74HC543: High-speed CMOS octal transceiver
2. SN54ACTQ543: Advanced high-speed CMOS octal transceiver
3. CD74ACTQ543: Quad 2-input multiplexer with tri-state outputs

These alternative models can be considered based on specific requirements and compatibility with existing systems.

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