Encyclopedia Entry: 74LVX4245MTR

Product Overview

Category

The 74LVX4245MTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for voltage level translation and signal buffering in various electronic devices.

Characteristics

• Voltage Level Translation: The 74LVX4245MTR is designed to translate signals between different voltage levels, making it suitable for interfacing between devices operating at different voltage levels.
• Signal Buffering: It can also be used as a buffer to isolate and amplify signals, ensuring proper signal integrity and preventing signal degradation.

Package

The 74LVX4245MTR is available in a small outline transistor (SOT) package.

Essence

The essence of this IC lies in its ability to facilitate seamless communication between devices operating at different voltage levels, ensuring compatibility and reliable signal transmission.

Packaging/Quantity

The 74LVX4245MTR is typically packaged in reels or tubes, with a quantity of around 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Family: LVX
• Number of Channels: 8 bidirectional channels
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA
• Propagation Delay: <10ns

Detailed Pin Configuration

The 74LVX4245MTR has a total of 20 pins, which are assigned specific functions as follows:

1. OE (Output Enable) - Output Enable pin
2. A1-A8 - Channel A input/output pins
3. GND - Ground pin
4. B1-B8 - Channel B input/output pins
5. VCC - Power supply pin

Functional Features

• Bidirectional Voltage Translation: The IC allows bidirectional voltage translation between two sets of signals, enabling seamless communication between devices operating at different voltage levels.
• High-Speed Operation: With a propagation delay of less than 10ns, the 74LVX4245MTR ensures fast and efficient signal transmission.
• Output Enable Control: The OE pin allows for easy control of the output enable/disable function, providing flexibility in managing signal flow.

Advantages and Disadvantages

Advantages

• Wide Supply Voltage Range: The IC can operate within a wide range of supply voltages, making it versatile for various applications.
• Bidirectional Capability: It supports bidirectional voltage translation, eliminating the need for separate unidirectional level shifters.
• Compact Package: The small outline transistor package enables space-efficient integration into electronic circuits.

Disadvantages

• Limited Channel Count: The 74LVX4245MTR offers 8 bidirectional channels, which may be insufficient for applications requiring a higher number of channels.
• Propagation Delay: Although relatively low, the propagation delay may still introduce a slight delay in signal transmission.

Working Principles

The 74LVX4245MTR utilizes a combination of MOSFETs and CMOS technology to achieve voltage level translation. When an input signal is received, the IC's internal circuitry adjusts the voltage levels accordingly, allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LVX4245MTR finds application in various fields, including:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels, ensuring compatibility and reliable data transfer.
2. Industrial Automation: The IC is used in industrial automation systems to interface between different sensors, actuators, and control units that operate at different voltage levels.
3. Communication Systems: It enables voltage level translation in communication systems, allowing for seamless integration of devices with varying voltage requirements.
4. Consumer Electronics: The IC is utilized in consumer electronic devices to interface between different subsystems, such as audio/video interfaces and control circuits.

Detailed and Complete Alternative Models

1. SN74LVX4245: This IC from Texas Instruments offers similar functionality and specifications to the 74LVX4245MTR.
2. MC74LVX4245: Manufactured by ON Semiconductor, this alternative model provides comparable voltage level translation capabilities.
3. CD74LVX4245: This IC from Texas Instruments is another alternative that can be used for voltage level translation and signal buffering.

In conclusion, the 74LVX4245MTR is a versatile integrated circuit designed for voltage level translation and signal buffering. Its bidirectional capability, wide supply voltage range, and compact package make it suitable for various applications in different fields. While it has some limitations in terms of channel count and propagation delay, there are alternative models available that offer similar functionality.