Encyclopedia Entry: 74ALVC164245ZRDR

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ALVC164245ZRDR is a high-performance, low-voltage, 16-bit bus transceiver with 3-state outputs. It is designed for asynchronous communication between two data buses. This IC allows bidirectional transfer of data between the A and B buses or from the B to A bus.

Characteristics: - High-speed operation - Low power consumption - 3-state outputs for bus isolation - Wide voltage range compatibility - ESD protection for reliable operation

Package: The 74ALVC164245ZRDR is available in a 48-pin Fine-Pitch Ball Grid Array (FBGA) package. The FBGA package offers excellent thermal performance and compact size, making it suitable for space-constrained applications.

Essence: The essence of the 74ALVC164245ZRDR lies in its ability to facilitate efficient and reliable data transfer between two buses, while ensuring compatibility with various voltage levels and minimizing power consumption.

Packaging/Quantity: The 74ALVC164245ZRDR is typically sold in reels containing 250 units per reel.

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 Propagation Delay: 4.5ns
• Maximum Output Skew: 200ps

Detailed Pin Configuration

The 74ALVC164245ZRDR has a total of 48 pins, which are assigned specific functions. Here is a detailed pin configuration:

1. OEAB: Output Enable Input for Bus A
2. OEB: Output Enable Input for Bus B
3. DIR: Direction Control Input
4. GND: Ground
5. A1-A16: Data Inputs/Outputs for Bus A
6. B1-B16: Data Inputs/Outputs for Bus B
7. VCC: Power Supply

Functional Features

• Bidirectional data transfer between two buses (A and B)
• 3-state outputs for bus isolation
• High-speed operation for efficient data transmission
• Low power consumption for energy efficiency
• ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages: - Wide voltage range compatibility allows integration into various systems - High-speed operation enables fast data transfer - Low power consumption reduces energy usage - 3-state outputs provide bus isolation when needed - ESD protection ensures reliable operation in challenging environments

Disadvantages: - Limited to 16-bit data transfer, may not be suitable for larger data buses - Requires careful consideration of voltage levels to prevent damage

Working Principles

The 74ALVC164245ZRDR operates based on the principles of digital logic. It uses control inputs (OEAB, OEB, and DIR) to determine the direction of data flow and enable/disable the outputs. When the OEAB or OEB input is low, the respective bus is enabled for data transfer. The DIR input controls the direction of data flow.

The IC utilizes internal circuitry to ensure bidirectional data transfer between the A and B buses. It also incorporates 3-state outputs, which allow the outputs to be effectively disconnected from the buses when not in use, providing bus isolation.

Detailed Application Field Plans

The 74ALVC164245ZRDR finds applications in various fields where bidirectional data transfer between two buses is required. Some specific application areas include:

1. Communication Systems: Used in data communication systems to facilitate efficient data transfer between different modules or subsystems.
2. Industrial Automation: Employed in industrial automation systems for exchanging data between control units and peripheral devices.
3. Automotive Electronics: Integrated into automotive electronics for connecting different components and enabling data exchange.
4. Consumer Electronics: Utilized in consumer electronic devices, such as smartphones and tablets, to enable data transfer between various interfaces.

Detailed and Complete Alternative Models

1. SN74ALVC164245: Similar 16-bit bus transceiver with 3-state outputs, offered by Texas Instruments.
2. MC74ALVC164245: Another alternative from ON Semiconductor, providing similar functionality and characteristics.

These alternative models offer comparable features and can be considered as substitutes for the 74ALVC164245ZRDR in specific applications.

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