Encyclopedia Entry: 74ALVCH16245DTR

Product Overview

Category

The 74ALVCH16245DTR belongs to the category of integrated circuits (ICs), specifically a bus transceiver.

Use

This IC is commonly used for bidirectional data transfer between two buses with different voltage levels. It acts as a buffer, ensuring smooth communication between these buses.

Characteristics

• Bidirectional data transfer
• Supports voltage level translation
• High-speed operation
• Low power consumption
• Wide operating voltage range

Package and Quantity

The 74ALVCH16245DTR is available in a TSSOP package. It is typically sold in reels or tubes containing multiple units.

Essence

The essence of the 74ALVCH16245DTR lies in its ability to facilitate seamless data transfer between buses operating at different voltage levels, while maintaining high speed and low power consumption.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Maximum Data Rate: 400Mbps

Pin Configuration

The 74ALVCH16245DTR has a total of 48 pins, arranged in a dual in-line package (DIP). The pin configuration is as follows:

A1 ──────────────── B1 A2 ──────────────── B2 A3 ──────────────── B3 . . . . . . A24 ──────────────── B24 OE GND ──────────────── VCC DIR GND ──────────────── VCC . . . . . . ALE GND ──────────────── VCC CLK GND ──────────────── VCC

Functional Features

• Bidirectional data transfer: The IC allows data to be transmitted in both directions, enabling communication between two buses.
• Voltage level translation: It supports the translation of voltage levels between the input and output sides, ensuring compatibility between different bus systems.
• High-speed operation: The 74ALVCH16245DTR is designed for high-speed data transfer, making it suitable for applications requiring rapid communication.
• Low power consumption: This IC is optimized for low power consumption, reducing energy requirements and enhancing overall efficiency.

Advantages and Disadvantages

Advantages

• Enables seamless data transfer between buses with different voltage levels.
• Supports high-speed operation, facilitating efficient communication.
• Low power consumption helps conserve energy.
• Wide operating voltage range enhances versatility.

Disadvantages

• May require additional components for proper implementation.
• Sensitive to electrostatic discharge (ESD), necessitating appropriate handling precautions.

Working Principles

The 74ALVCH16245DTR operates by receiving data from one bus and transmitting it to another. It incorporates level-shifting circuitry that ensures compatibility between the input and output voltage levels. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the output buffers.

Application Field Plans

The 74ALVCH16245DTR finds application in various fields where bidirectional data transfer between buses with different voltage levels is required. Some potential application areas include:

1. Industrial automation: Facilitating communication between control systems operating at different voltage levels.
2. Automotive electronics: Enabling data exchange between various vehicle subsystems with varying voltage requirements.
3. Consumer electronics: Supporting interconnection between devices operating at different voltage levels, such as smartphones and peripherals.

Alternative Models

For users seeking alternative options, the following ICs can be considered:

1. SN74LVC245A: A similar bidirectional bus transceiver with comparable specifications.
2. 74HC245: A non-inverting octal bus transceiver suitable for bidirectional communication.
3. CD74HCT245: A high-speed CMOS logic bus transceiver offering voltage level translation capabilities.

These alternatives provide similar functionality to the 74ALVCH16245DTR and can be explored based on specific application requirements.

In conclusion, the 74ALVCH16245DTR is a versatile integrated circuit that enables efficient bidirectional data transfer between buses operating at different voltage levels. Its high-speed operation, low power consumption, and wide operating voltage range make it suitable for various applications in different industries.