Encyclopedia Entry: 74LVT2245PW,118

Product Overview

Category

The 74LVT2245PW,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This product is commonly used in digital systems to enable bidirectional data transfer between buses with different voltage levels. It acts as a buffer, ensuring smooth communication between various components within a system.

Characteristics

• Voltage Level Translation: The 74LVT2245PW,118 is designed to translate signals between two different voltage domains, making it suitable for mixed-voltage systems.
• Bidirectional Communication: It supports bidirectional data transfer, allowing information to flow in both directions.
• High-Speed Operation: This IC operates at high speeds, enabling efficient data transmission in time-critical applications.
• Low Power Consumption: The 74LVT2245PW,118 is designed to minimize power consumption, making it suitable for battery-powered devices.
• ESD Protection: It incorporates electrostatic discharge (ESD) protection features, safeguarding the circuit from potential damage caused by static electricity.

Package and Quantity

The 74LVT2245PW,118 is available in a small outline package (SOP) with 20 pins. It is typically sold in reels or tubes, with a standard quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Input Voltage Levels:
  • High-Level Input Voltage (VIH): 2.0V to VCC + 0.3V
  • Low-Level Input Voltage (VIL): -0.3V to 0.8V
• Output Voltage Levels:
  • High-Level Output Voltage (VOH): VCC - 0.4V
  • Low-Level Output Voltage (VOL): 0.4V
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6ns

Pin Configuration

The 74LVT2245PW,118 has a total of 20 pins arranged as follows:

___________ OE |1 20| VCC A1 |2 19| B1 A2 |3 18| B2 A3 |4 17| B3 A4 |5 16| B4 A5 |6 15| B5 GND |7 14| B6 B6 |8 13| A6 B5 |9 12| A5 B4 |10 11| A4 ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Bidirectional Data Transfer: The 74LVT2245PW,118 allows data to be transmitted bidirectionally between two buses with different voltage levels.
• Output Enable Control (OE): The OE pin enables or disables the outputs, providing control over the direction of data flow.
• Voltage Level Translation: It ensures seamless communication by translating signals from one voltage domain to another.

Advantages and Disadvantages

Advantages

• Efficient Voltage Translation: The 74LVT2245PW,118 provides reliable and efficient voltage level translation, enabling compatibility between different voltage domains.
• High-Speed Operation: With its fast propagation delay, this IC facilitates high-speed data transfer in time-critical applications.
• ESD Protection: The built-in ESD protection safeguards the circuit from potential damage caused by electrostatic discharge.

Disadvantages

• Limited Voltage Range: The 74LVT2245PW,118 is designed for a specific voltage range (2.7V to 3.6V) and may not be suitable for systems operating outside this range.
• Package Size: The small outline package (SOP) may pose challenges in terms of handling and soldering for some users.

Working Principles

The 74LVT2245PW,118 operates based on the principles of voltage level translation and bidirectional data transfer. It utilizes internal circuitry to convert signals from one voltage domain to another, allowing seamless communication between buses with different voltage levels. The OE pin controls the direction of data flow by enabling or disabling the outputs.

Application Field Plans

The 74LVT2245PW,118 finds applications in various digital systems where bidirectional data transfer between different voltage domains is required. Some potential application fields include: - Microcontroller-based systems - Communication equipment - Industrial automation - Automotive electronics - Consumer electronics

Alternative Models

For users seeking alternative options, several other ICs provide similar functionality