Encyclopedia Entry: 74ACTQ646SPC

Product Overview

Category

The 74ACTQ646SPC belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is primarily used for bidirectional data communication between two buses with different voltage levels. It acts as a buffer, allowing data transmission between these buses while ensuring compatibility and signal integrity.

Characteristics

• Bidirectional data transfer
• Voltage level translation
• High-speed operation
• Low power consumption
• Wide operating temperature range

Package

The 74ACTQ646SPC is available in a small outline package (SOIC) format. This package offers ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of the 74ACTQ646SPC lies in its ability to facilitate seamless data transfer between buses operating at different voltage levels, ensuring reliable and efficient communication.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier or manufacturer.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: X Mbps
• Number of Pins: 20

Detailed Pin Configuration

The 74ACTQ646SPC has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. Pin 1: A Port Data Input/Output
2. Pin 2: B Port Data Input/Output
3. Pin 3: Enable Input
4. Pin 4: Output Enable Input
5. Pin 5: Voltage Level Translator Control Input
6. Pin 6: B Port Output Enable Input
7. Pin 7: B Port Output Enable Output
8. Pin 8: B Port Data Output
9. Pin 9: GND (Ground)
10. Pin 10: VCC (Supply Voltage)
11. Pin 11: A Port Data Output
12. Pin 12: A Port Output Enable Output
13. Pin 13: A Port Output Enable Input
14. Pin 14: Voltage Level Translator Control Output
15. Pin 15: B Port Data Input
16. Pin 16: A Port Data Input
17. Pin 17: B Port Output Enable Output
18. Pin 18: GND (Ground)
19. Pin 19: VCC (Supply Voltage)
20. Pin 20: A Port Output Enable Output

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• Automatic voltage level translation for seamless communication
• High-speed operation for efficient data transmission
• Output enable control for flexible bus management
• Low power consumption for energy efficiency
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages

• Enables communication between buses with different voltage levels
• Provides automatic voltage level translation, eliminating the need for additional components
• Supports high-speed data transfer for efficient communication
• Offers flexibility in bus management through output enable control
• Low power consumption helps conserve energy
• Suitable for a wide range of applications due to its wide operating temperature range

Disadvantages

• May have limitations in terms of maximum data rate, which can vary depending on specific conditions and requirements
• Requires careful consideration of input and output voltage levels to ensure proper functionality

Working Principles

The 74ACTQ646SPC operates based on voltage level translation principles. It receives data from one bus and translates it to the appropriate voltage level for transmission to another bus. The IC also ensures bidirectional communication by performing the reverse translation when data is received from the second bus.

The voltage level translation is achieved through a combination of internal circuitry, which detects the input voltage levels and adjusts the output accordingly. This process allows seamless data transfer between buses with different voltage requirements.

Detailed Application Field Plans

The 74ACTQ646SPC finds applications in various fields where bidirectional data communication between buses with different voltage levels is required. Some potential application areas include:

1. Industrial Automation: Facilitating communication between control systems operating at different voltage levels.
2. Automotive Electronics: Enabling data exchange between different subsystems within a vehicle.
3. Telecommunications: Supporting interconnection between network equipment with varying voltage requirements.
4. Consumer Electronics: Allowing compatibility between devices operating at different voltage levels, such as smartphones and peripherals.

Detailed and Complete Alternative Models

• 74ACTQ646SC
• 74ACTQ646PC
• 74ACTQ646SPCX
• 74