Encyclopedia Entry: 74ABT646CSC

Product Overview

Category

The 74ABT646CSC belongs to the category of integrated circuits (ICs), specifically a type of digital logic level translator.

Use

This IC is commonly used for voltage level translation between different logic families, enabling communication between devices operating at different voltage levels.

Characteristics

• Voltage Level Translation: The 74ABT646CSC facilitates bidirectional voltage level translation between two different logic families.
• High-Speed Operation: This IC operates at high speeds, making it suitable for applications requiring fast data transfer.
• Low Power Consumption: It is designed to consume low power, ensuring efficient operation.
• Wide Operating Voltage Range: The 74ABT646CSC can handle a wide range of input and output voltage levels, enhancing its versatility.

Package

The 74ABT646CSC is available in a small outline integrated circuit (SOIC) package. This package offers compactness and ease of integration into electronic systems.

Essence

The essence of the 74ABT646CSC lies in its ability to bridge the gap between different logic families, allowing seamless communication between devices with varying voltage requirements.

Packaging/Quantity

The 74ABT646CSC is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Logic Family Compatibility: TTL, CMOS
• Number of Channels: 8
• Input/Output Type: Tri-State
• Maximum Data Rate: 100MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ABT646CSC features a total of 24 pins, each serving a specific function. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Input/Output) 1
3. B1 (Input/Output) 1
4. A2 (Input/Output) 1
5. B2 (Input/Output) 1
6. A3 (Input/Output) 1
7. B3 (Input/Output) 1
8. A4 (Input/Output) 1
9. B4 (Input/Output) 1
10. GND (Ground)
11. OE (Output Enable) 2
12. A5 (Input/Output) 2
13. B5 (Input/Output) 2
14. A6 (Input/Output) 2
15. B6 (Input/Output) 2
16. A7 (Input/Output) 2
17. B7 (Input/Output) 2
18. A8 (Input/Output) 2
19. B8 (Input/Output) 2
20. VCC (Supply Voltage)
21. DIR (Direction Control)
22. OE (Output Enable) 3
23. GND (Ground)
24. OE (Output Enable) 4

Functional Features

The 74ABT646CSC offers the following functional features:

• Bidirectional Voltage Level Translation: It enables bidirectional translation between two logic families, allowing seamless communication.
• Tri-State Outputs: The IC incorporates tri-state outputs, providing flexibility in controlling the direction of data flow.
• Output Enable Control: The output enable pins allow for selective activation or deactivation of the outputs, conserving power and enhancing system control.

Advantages and Disadvantages

Advantages

• Efficient Voltage Level Translation: The 74ABT646CSC ensures accurate and reliable voltage level translation, minimizing signal distortion.
• High-Speed Operation: With its high-speed capabilities, this IC is suitable for applications requiring rapid data transfer.
• Wide Operating Voltage Range: It can accommodate a wide range of input and output voltage levels, making it versatile in various system designs.

Disadvantages

• Limited Channel Count: The 74ABT646CSC provides eight channels, which may be insufficient for applications requiring a higher number of channels.
• Sensitivity to Noise: Like many digital logic devices, this IC may be susceptible to noise interference, necessitating proper noise mitigation measures.

Working Principles

The 74ABT646CSC operates based on the principles of voltage level translation. It utilizes internal circuitry to convert signals from one logic family to another, ensuring compatibility between devices operating at different voltage levels. The direction of data flow is controlled by the DIR pin, while the OE pins enable or disable the outputs as needed.

Detailed Application Field Plans

The 74ABT646CSC finds application in various fields where voltage level translation is required. Some specific application areas include:

1. Micro