Encyclopedia Entry: 74ALVCHR16409GRE4

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ALVCHR16409GRE4 is a high-speed, low-power 16-bit universal bus transceiver with 3-state outputs. It is designed for asynchronous communication between two data buses. This IC facilitates bidirectional data transfer between two independent systems or subsystems.

Characteristics: - High-speed operation - Low power consumption - 16-bit wide data bus - 3-state outputs for bus isolation - Wide operating voltage range - ESD protection on all inputs and outputs

Package: The 74ALVCHR16409GRE4 is available in a small-outline integrated circuit (SOIC) package. The package dimensions are standardized to ensure compatibility with various circuit board designs.

Essence: The essence of the 74ALVCHR16409GRE4 lies in its ability to enable efficient and reliable data transfer between different systems or subsystems. It acts as a bridge between two independent buses, allowing seamless communication.

Packaging/Quantity: The 74ALVCHR16409GRE4 is typically sold in reels or tubes, depending on the manufacturer's packaging standards. Each reel or tube contains a specific quantity of ICs, usually ranging from 100 to 1000 units.

Specifications

• Supply Voltage Range: 2.3V 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: 3.8ns
• Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The 74ALVCHR16409GRE4 has a total of 48 pins, which are divided into various functional groups:

• Group A: Pins 1 to 8 (Data Bus A)
• Group B: Pins 9 to 16 (Data Bus B)
• Group C: Pins 17 to 24 (Control Signals)
• Group D: Pins 25 to 32 (3-State Outputs)
• Group E: Pins 33 to 40 (Power Supply and Ground)
• Group F: Pins 41 to 48 (Unused/Reserved)

For a detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Bidirectional data transfer between two independent buses
• Non-inverting outputs for direct compatibility with various logic families
• 3-state outputs for bus isolation and sharing
• ESD protection on all inputs and outputs for enhanced reliability
• High-speed operation allows for efficient data transfer
• Low power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages: - Enables seamless communication between different systems or subsystems - Wide operating voltage range allows for compatibility with various power supply levels - ESD protection ensures enhanced reliability in harsh environments - High-speed operation facilitates efficient data transfer - Low power consumption for energy-efficient designs

Disadvantages: - Limited to 16-bit data bus width, may not be suitable for applications requiring larger data transfers - Requires careful consideration of timing and synchronization when used in complex systems - May have limitations in terms of maximum operating frequency in certain applications

Working Principles

The 74ALVCHR16409GRE4 operates based on the principles of digital logic. It uses internal circuitry to control the bidirectional flow of data between two independent buses. The control signals determine the direction of data transfer, while the 3-state outputs allow for bus isolation when necessary. The IC's internal architecture ensures efficient and reliable data transfer while minimizing power consumption.

Detailed Application Field Plans

The 74ALVCHR16409GRE4 finds applications in various fields, including but not limited to: - Computer systems and peripherals - Communication equipment - Industrial automation - Automotive electronics - Consumer electronics

In computer systems, this IC can be used for bus interfacing between different subsystems, such as memory modules, input/output devices, and processors. In communication equipment, it enables data exchange between different protocols or interfaces. In industrial automation, the IC facilitates communication between control units and sensors/actuators. In automotive electronics, it can be utilized for bus communication within the vehicle's electronic systems. In consumer electronics, it allows for seamless data transfer between different components, such as audio/video devices and microcontrollers.

Detailed and Complete Alternative Models

• 74ALVC164245: 16-bit universal bus transceiver with 3-state outputs
• SN74LVCH16245A: 16-bit bus transceiver with 3-state outputs and voltage level translation
• MC74VHC245: Octal bus transceiver