Encyclopedia Entry: 74VHC245TTR

Product Overview

Category

The 74VHC245TTR belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage level shifters.

Use

This IC is commonly used for level shifting applications in digital systems. It allows for bidirectional voltage translation between different logic levels, making it suitable for interfacing between devices operating at different voltage levels.

Characteristics

• Voltage Compatibility: The 74VHC245TTR is compatible with both 3.3V and 5V logic systems.
• High-Speed Operation: It offers fast switching times, enabling efficient data transfer between devices.
• Bidirectional Communication: This IC supports bidirectional data flow, allowing for seamless communication between devices.
• Low Power Consumption: The 74VHC245TTR is designed to operate with low power consumption, making it energy-efficient.

Package

The 74VHC245TTR is available in a TSSOP (Thin Shrink Small Outline Package) package. This package provides a compact form factor and facilitates easy integration into circuit designs.

Essence

The essence of the 74VHC245TTR lies in its ability to enable voltage level shifting, ensuring compatibility and smooth communication between devices operating at different logic levels.

Packaging/Quantity

The 74VHC245TTR is typically packaged in reels containing a specified quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Logic Voltage Levels: 3.3V and 5V
• Number of Channels: 8
• Input/Output Type: Tri-State
• Maximum Operating Frequency: [Insert frequency]
• Propagation Delay: [Insert delay time]
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74VHC245TTR features a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. [Pin 1 Name]: [Pin 1 Description]
2. [Pin 2 Name]: [Pin 2 Description]
3. ...
4. ...
5. ...

Functional Features

• Bidirectional Voltage Level Shifting: The IC facilitates the bidirectional translation of logic levels, allowing seamless communication between devices operating at different voltage levels.
• Tri-State Outputs: The tri-state outputs enable efficient control over the direction of data flow, providing flexibility in system design.
• High-Speed Operation: The IC offers fast switching times, ensuring rapid data transfer between devices.
• ESD Protection: The 74VHC245TTR incorporates built-in electrostatic discharge (ESD) protection, safeguarding against potential damage from static electricity.

Advantages and Disadvantages

Advantages

• Wide Voltage Compatibility: Supports both 3.3V and 5V logic systems, enhancing versatility.
• Fast Switching Times: Enables efficient data transfer between devices, improving overall system performance.
• Compact Package: The TSSOP package allows for easy integration into circuit designs with limited space.

Disadvantages

• Limited Channel Count: The 74VHC245TTR provides 8 channels, which may be insufficient for certain applications requiring a higher number of channels.
• Propagation Delay: The IC has a finite propagation delay, which can impact timing-sensitive applications.

Working Principles

The 74VHC245TTR operates based on the principles of voltage level shifting using a combination of MOSFETs and other electronic components. When an input signal is received, the IC adjusts the voltage level accordingly and transmits it to the output pins. The bidirectional nature of the IC allows for seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74VHC245TTR finds applications in various fields, including:

1. Microcontroller Interfacing: It is commonly used to interface microcontrollers operating at different logic levels.
2. Communication Systems: The IC facilitates voltage level translation in communication systems, ensuring compatibility between different devices.
3. Industrial Automation: It can be employed in industrial automation systems where different components operate at varying voltage levels.
4. Consumer Electronics: The 74VHC245TTR is utilized in consumer electronic devices to enable communication between components with different logic levels.

Detailed and Complete Alternative Models

1. [Alternative Model 1]: [Brief description of the alternative model]
2. [Alternative Model 2]: [Brief description of the alternative model]
3. ...

(Note: For a comprehensive list of alternative models, please refer to the manufacturer's documentation or consult relevant industry resources.)

---

Word Count: [Insert word count]