Encyclopedia Entry: 74LVXC3245MTR

Product Overview

Category

The 74LVXC3245MTR belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is commonly used for bidirectional level shifting and voltage translation between different logic levels in digital systems. It enables seamless communication between devices operating at different voltage levels.

Characteristics

• Bidirectional voltage translation
• Wide operating voltage range
• High-speed operation
• Low power consumption
• ESD protection
• RoHS compliant

Package

The 74LVXC3245MTR is available in a TSSOP (Thin Shrink Small Outline Package) package. This package offers a compact size, making it suitable for space-constrained applications.

Essence

The essence of the 74LVXC3245MTR lies in its ability to facilitate reliable and efficient data transfer between devices operating at different voltage levels, ensuring compatibility and seamless communication.

Packaging/Quantity

The IC is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Logic Voltage Levels: 1.8V, 2.5V, 3.3V, and 5V
• Number of Channels: 8
• Maximum Data Rate: 400 Mbps
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The 74LVXC3245MTR has a total of 48 pins, which are organized as follows:

• Pins 1-8: Channel A Data Inputs/Outputs
• Pins 9-16: Channel B Data Inputs/Outputs
• Pins 17-24: Channel Enable Inputs
• Pins 25-32: Channel Output Enable Inputs
• Pins 33-40: Channel Direction Control Inputs
• Pins 41-48: Ground and Power Supply

Functional Features

• Bidirectional data transfer between two voltage domains
• Automatic direction control based on the direction input signals
• Output enable control for tri-state operation
• ESD protection to safeguard against electrostatic discharge

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices with different voltage levels
• High-speed operation allows for efficient data transfer
• Low power consumption contributes to energy efficiency
• ESD protection ensures reliability and durability
• Compact package size suitable for space-constrained applications

Disadvantages

• Limited number of channels (8)
• Maximum data rate may not be sufficient for certain high-speed applications

Working Principles

The 74LVXC3245MTR operates by utilizing a combination of level-shifting circuitry and tri-state buffers. The direction control inputs determine the flow of data, while the output enable inputs allow for tri-state operation when necessary. The IC's internal circuitry ensures bidirectional voltage translation between the input and output channels.

Detailed Application Field Plans

The 74LVXC3245MTR finds application in various fields, including but not limited to: - Microcontroller interfacing - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

1. SN74LVC245A: This IC offers similar functionality and characteristics to the 74LVXC3245MTR.
2. MC74VHC245: Another alternative that provides bidirectional voltage translation capabilities.
3. CD74HCT245: This model is compatible with TTL logic levels and offers comparable features.

These alternative models can be considered based on specific requirements and availability.

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